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-rw-r--r--arch/arm64/mm/mmu.c9
-rw-r--r--arch/ia64/mm/discontig.c6
-rw-r--r--arch/ia64/mm/init.c18
-rw-r--r--arch/powerpc/mm/init_64.c17
-rw-r--r--arch/powerpc/mm/mem.c11
-rw-r--r--arch/powerpc/platforms/Kconfig1
-rw-r--r--arch/powerpc/sysdev/axonram.c2
-rw-r--r--arch/s390/mm/init.c7
-rw-r--r--arch/s390/mm/vmem.c6
-rw-r--r--arch/sh/mm/init.c10
-rw-r--r--arch/sparc/mm/init_64.c5
-rw-r--r--arch/x86/mm/init_32.c9
-rw-r--r--arch/x86/mm/init_64.c94
13 files changed, 108 insertions, 87 deletions
diff --git a/arch/arm64/mm/mmu.c b/arch/arm64/mm/mmu.c
index 267d2b79d52d..0b1f13e0b4b3 100644
--- a/arch/arm64/mm/mmu.c
+++ b/arch/arm64/mm/mmu.c
@@ -654,12 +654,14 @@ int kern_addr_valid(unsigned long addr)
}
#ifdef CONFIG_SPARSEMEM_VMEMMAP
#if !ARM64_SWAPPER_USES_SECTION_MAPS
-int __meminit vmemmap_populate(unsigned long start, unsigned long end, int node)
+int __meminit vmemmap_populate(unsigned long start, unsigned long end, int node,
+ struct vmem_altmap *altmap)
{
return vmemmap_populate_basepages(start, end, node);
}
#else /* !ARM64_SWAPPER_USES_SECTION_MAPS */
-int __meminit vmemmap_populate(unsigned long start, unsigned long end, int node)
+int __meminit vmemmap_populate(unsigned long start, unsigned long end, int node,
+ struct vmem_altmap *altmap)
{
unsigned long addr = start;
unsigned long next;
@@ -694,7 +696,8 @@ int __meminit vmemmap_populate(unsigned long start, unsigned long end, int node)
return 0;
}
#endif /* CONFIG_ARM64_64K_PAGES */
-void vmemmap_free(unsigned long start, unsigned long end)
+void vmemmap_free(unsigned long start, unsigned long end,
+ struct vmem_altmap *altmap)
{
}
#endif /* CONFIG_SPARSEMEM_VMEMMAP */
diff --git a/arch/ia64/mm/discontig.c b/arch/ia64/mm/discontig.c
index 9b2d994cddf6..5ea0d8d0968b 100644
--- a/arch/ia64/mm/discontig.c
+++ b/arch/ia64/mm/discontig.c
@@ -754,12 +754,14 @@ void arch_refresh_nodedata(int update_node, pg_data_t *update_pgdat)
#endif
#ifdef CONFIG_SPARSEMEM_VMEMMAP
-int __meminit vmemmap_populate(unsigned long start, unsigned long end, int node)
+int __meminit vmemmap_populate(unsigned long start, unsigned long end, int node,
+ struct vmem_altmap *altmap)
{
return vmemmap_populate_basepages(start, end, node);
}
-void vmemmap_free(unsigned long start, unsigned long end)
+void vmemmap_free(unsigned long start, unsigned long end,
+ struct vmem_altmap *altmap)
{
}
#endif
diff --git a/arch/ia64/mm/init.c b/arch/ia64/mm/init.c
index 7af4e05bb61e..18278b448530 100644
--- a/arch/ia64/mm/init.c
+++ b/arch/ia64/mm/init.c
@@ -501,7 +501,7 @@ virtual_memmap_init(u64 start, u64 end, void *arg)
if (map_start < map_end)
memmap_init_zone((unsigned long)(map_end - map_start),
args->nid, args->zone, page_to_pfn(map_start),
- MEMMAP_EARLY);
+ MEMMAP_EARLY, NULL);
return 0;
}
@@ -509,9 +509,10 @@ void __meminit
memmap_init (unsigned long size, int nid, unsigned long zone,
unsigned long start_pfn)
{
- if (!vmem_map)
- memmap_init_zone(size, nid, zone, start_pfn, MEMMAP_EARLY);
- else {
+ if (!vmem_map) {
+ memmap_init_zone(size, nid, zone, start_pfn, MEMMAP_EARLY,
+ NULL);
+ } else {
struct page *start;
struct memmap_init_callback_data args;
@@ -647,13 +648,14 @@ mem_init (void)
}
#ifdef CONFIG_MEMORY_HOTPLUG
-int arch_add_memory(int nid, u64 start, u64 size, bool want_memblock)
+int arch_add_memory(int nid, u64 start, u64 size, struct vmem_altmap *altmap,
+ bool want_memblock)
{
unsigned long start_pfn = start >> PAGE_SHIFT;
unsigned long nr_pages = size >> PAGE_SHIFT;
int ret;
- ret = __add_pages(nid, start_pfn, nr_pages, want_memblock);
+ ret = __add_pages(nid, start_pfn, nr_pages, altmap, want_memblock);
if (ret)
printk("%s: Problem encountered in __add_pages() as ret=%d\n",
__func__, ret);
@@ -662,7 +664,7 @@ int arch_add_memory(int nid, u64 start, u64 size, bool want_memblock)
}
#ifdef CONFIG_MEMORY_HOTREMOVE
-int arch_remove_memory(u64 start, u64 size)
+int arch_remove_memory(u64 start, u64 size, struct vmem_altmap *altmap)
{
unsigned long start_pfn = start >> PAGE_SHIFT;
unsigned long nr_pages = size >> PAGE_SHIFT;
@@ -670,7 +672,7 @@ int arch_remove_memory(u64 start, u64 size)
int ret;
zone = page_zone(pfn_to_page(start_pfn));
- ret = __remove_pages(zone, start_pfn, nr_pages);
+ ret = __remove_pages(zone, start_pfn, nr_pages, altmap);
if (ret)
pr_warn("%s: Problem encountered in __remove_pages() as"
" ret=%d\n", __func__, ret);
diff --git a/arch/powerpc/mm/init_64.c b/arch/powerpc/mm/init_64.c
index a07722531b32..7a2251d99ed3 100644
--- a/arch/powerpc/mm/init_64.c
+++ b/arch/powerpc/mm/init_64.c
@@ -183,7 +183,8 @@ static __meminit void vmemmap_list_populate(unsigned long phys,
vmemmap_list = vmem_back;
}
-int __meminit vmemmap_populate(unsigned long start, unsigned long end, int node)
+int __meminit vmemmap_populate(unsigned long start, unsigned long end, int node,
+ struct vmem_altmap *altmap)
{
unsigned long page_size = 1 << mmu_psize_defs[mmu_vmemmap_psize].shift;
@@ -193,17 +194,16 @@ int __meminit vmemmap_populate(unsigned long start, unsigned long end, int node)
pr_debug("vmemmap_populate %lx..%lx, node %d\n", start, end, node);
for (; start < end; start += page_size) {
- struct vmem_altmap *altmap;
void *p;
int rc;
if (vmemmap_populated(start, page_size))
continue;
- /* altmap lookups only work at section boundaries */
- altmap = to_vmem_altmap(SECTION_ALIGN_DOWN(start));
-
- p = __vmemmap_alloc_block_buf(page_size, node, altmap);
+ if (altmap)
+ p = altmap_alloc_block_buf(page_size, altmap);
+ else
+ p = vmemmap_alloc_block_buf(page_size, node);
if (!p)
return -ENOMEM;
@@ -257,7 +257,8 @@ static unsigned long vmemmap_list_free(unsigned long start)
return vmem_back->phys;
}
-void __ref vmemmap_free(unsigned long start, unsigned long end)
+void __ref vmemmap_free(unsigned long start, unsigned long end,
+ struct vmem_altmap *altmap)
{
unsigned long page_size = 1 << mmu_psize_defs[mmu_vmemmap_psize].shift;
unsigned long page_order = get_order(page_size);
@@ -268,7 +269,6 @@ void __ref vmemmap_free(unsigned long start, unsigned long end)
for (; start < end; start += page_size) {
unsigned long nr_pages, addr;
- struct vmem_altmap *altmap;
struct page *section_base;
struct page *page;
@@ -288,7 +288,6 @@ void __ref vmemmap_free(unsigned long start, unsigned long end)
section_base = pfn_to_page(vmemmap_section_start(start));
nr_pages = 1 << page_order;
- altmap = to_vmem_altmap((unsigned long) section_base);
if (altmap) {
vmem_altmap_free(altmap, nr_pages);
} else if (PageReserved(page)) {
diff --git a/arch/powerpc/mm/mem.c b/arch/powerpc/mm/mem.c
index 4362b86ef84c..22aa528b78a2 100644
--- a/arch/powerpc/mm/mem.c
+++ b/arch/powerpc/mm/mem.c
@@ -127,7 +127,8 @@ int __weak remove_section_mapping(unsigned long start, unsigned long end)
return -ENODEV;
}
-int arch_add_memory(int nid, u64 start, u64 size, bool want_memblock)
+int arch_add_memory(int nid, u64 start, u64 size, struct vmem_altmap *altmap,
+ bool want_memblock)
{
unsigned long start_pfn = start >> PAGE_SHIFT;
unsigned long nr_pages = size >> PAGE_SHIFT;
@@ -144,15 +145,14 @@ int arch_add_memory(int nid, u64 start, u64 size, bool want_memblock)
return -EFAULT;
}
- return __add_pages(nid, start_pfn, nr_pages, want_memblock);
+ return __add_pages(nid, start_pfn, nr_pages, altmap, want_memblock);
}
#ifdef CONFIG_MEMORY_HOTREMOVE
-int arch_remove_memory(u64 start, u64 size)
+int arch_remove_memory(u64 start, u64 size, struct vmem_altmap *altmap)
{
unsigned long start_pfn = start >> PAGE_SHIFT;
unsigned long nr_pages = size >> PAGE_SHIFT;
- struct vmem_altmap *altmap;
struct page *page;
int ret;
@@ -161,11 +161,10 @@ int arch_remove_memory(u64 start, u64 size)
* when querying the zone.
*/
page = pfn_to_page(start_pfn);
- altmap = to_vmem_altmap((unsigned long) page);
if (altmap)
page += vmem_altmap_offset(altmap);
- ret = __remove_pages(page_zone(page), start_pfn, nr_pages);
+ ret = __remove_pages(page_zone(page), start_pfn, nr_pages, altmap);
if (ret)
return ret;
diff --git a/arch/powerpc/platforms/Kconfig b/arch/powerpc/platforms/Kconfig
index 5a96a2763e4a..2ce89b42a9f4 100644
--- a/arch/powerpc/platforms/Kconfig
+++ b/arch/powerpc/platforms/Kconfig
@@ -297,6 +297,7 @@ config AXON_RAM
tristate "Axon DDR2 memory device driver"
depends on PPC_IBM_CELL_BLADE && BLOCK
select DAX
+ select FS_DAX_LIMITED
default m
help
It registers one block device per Axon's DDR2 memory bank found
diff --git a/arch/powerpc/sysdev/axonram.c b/arch/powerpc/sysdev/axonram.c
index 1b307c80b401..cdbb0e59b3d3 100644
--- a/arch/powerpc/sysdev/axonram.c
+++ b/arch/powerpc/sysdev/axonram.c
@@ -151,7 +151,7 @@ __axon_ram_direct_access(struct axon_ram_bank *bank, pgoff_t pgoff, long nr_page
resource_size_t offset = pgoff * PAGE_SIZE;
*kaddr = (void *) bank->io_addr + offset;
- *pfn = phys_to_pfn_t(bank->ph_addr + offset, PFN_DEV);
+ *pfn = phys_to_pfn_t(bank->ph_addr + offset, PFN_DEV|PFN_SPECIAL);
return (bank->size - offset) / PAGE_SIZE;
}
diff --git a/arch/s390/mm/init.c b/arch/s390/mm/init.c
index 671535e64aba..3fa3e5323612 100644
--- a/arch/s390/mm/init.c
+++ b/arch/s390/mm/init.c
@@ -222,7 +222,8 @@ device_initcall(s390_cma_mem_init);
#endif /* CONFIG_CMA */
-int arch_add_memory(int nid, u64 start, u64 size, bool want_memblock)
+int arch_add_memory(int nid, u64 start, u64 size, struct vmem_altmap *altmap,
+ bool want_memblock)
{
unsigned long start_pfn = PFN_DOWN(start);
unsigned long size_pages = PFN_DOWN(size);
@@ -232,14 +233,14 @@ int arch_add_memory(int nid, u64 start, u64 size, bool want_memblock)
if (rc)
return rc;
- rc = __add_pages(nid, start_pfn, size_pages, want_memblock);
+ rc = __add_pages(nid, start_pfn, size_pages, altmap, want_memblock);
if (rc)
vmem_remove_mapping(start, size);
return rc;
}
#ifdef CONFIG_MEMORY_HOTREMOVE
-int arch_remove_memory(u64 start, u64 size)
+int arch_remove_memory(u64 start, u64 size, struct vmem_altmap *altmap)
{
/*
* There is no hardware or firmware interface which could trigger a
diff --git a/arch/s390/mm/vmem.c b/arch/s390/mm/vmem.c
index 3316d463fc29..db55561c5981 100644
--- a/arch/s390/mm/vmem.c
+++ b/arch/s390/mm/vmem.c
@@ -211,7 +211,8 @@ static void vmem_remove_range(unsigned long start, unsigned long size)
/*
* Add a backed mem_map array to the virtual mem_map array.
*/
-int __meminit vmemmap_populate(unsigned long start, unsigned long end, int node)
+int __meminit vmemmap_populate(unsigned long start, unsigned long end, int node,
+ struct vmem_altmap *altmap)
{
unsigned long pgt_prot, sgt_prot;
unsigned long address = start;
@@ -296,7 +297,8 @@ out:
return ret;
}
-void vmemmap_free(unsigned long start, unsigned long end)
+void vmemmap_free(unsigned long start, unsigned long end,
+ struct vmem_altmap *altmap)
{
}
diff --git a/arch/sh/mm/init.c b/arch/sh/mm/init.c
index bf726af5f1a5..ce0bbaa7e404 100644
--- a/arch/sh/mm/init.c
+++ b/arch/sh/mm/init.c
@@ -485,20 +485,20 @@ void free_initrd_mem(unsigned long start, unsigned long end)
#endif
#ifdef CONFIG_MEMORY_HOTPLUG
-int arch_add_memory(int nid, u64 start, u64 size, bool want_memblock)
+int arch_add_memory(int nid, u64 start, u64 size, struct vmem_altmap *altmap,
+ bool want_memblock)
{
unsigned long start_pfn = PFN_DOWN(start);
unsigned long nr_pages = size >> PAGE_SHIFT;
int ret;
/* We only have ZONE_NORMAL, so this is easy.. */
- ret = __add_pages(nid, start_pfn, nr_pages, want_memblock);
+ ret = __add_pages(nid, start_pfn, nr_pages, altmap, want_memblock);
if (unlikely(ret))
printk("%s: Failed, __add_pages() == %d\n", __func__, ret);
return ret;
}
-EXPORT_SYMBOL_GPL(arch_add_memory);
#ifdef CONFIG_NUMA
int memory_add_physaddr_to_nid(u64 addr)
@@ -510,7 +510,7 @@ EXPORT_SYMBOL_GPL(memory_add_physaddr_to_nid);
#endif
#ifdef CONFIG_MEMORY_HOTREMOVE
-int arch_remove_memory(u64 start, u64 size)
+int arch_remove_memory(u64 start, u64 size, struct vmem_altmap *altmap)
{
unsigned long start_pfn = PFN_DOWN(start);
unsigned long nr_pages = size >> PAGE_SHIFT;
@@ -518,7 +518,7 @@ int arch_remove_memory(u64 start, u64 size)
int ret;
zone = page_zone(pfn_to_page(start_pfn));
- ret = __remove_pages(zone, start_pfn, nr_pages);
+ ret = __remove_pages(zone, start_pfn, nr_pages, altmap);
if (unlikely(ret))
pr_warn("%s: Failed, __remove_pages() == %d\n", __func__,
ret);
diff --git a/arch/sparc/mm/init_64.c b/arch/sparc/mm/init_64.c
index 55ba62957e64..995f9490334d 100644
--- a/arch/sparc/mm/init_64.c
+++ b/arch/sparc/mm/init_64.c
@@ -2628,7 +2628,7 @@ EXPORT_SYMBOL(_PAGE_CACHE);
#ifdef CONFIG_SPARSEMEM_VMEMMAP
int __meminit vmemmap_populate(unsigned long vstart, unsigned long vend,
- int node)
+ int node, struct vmem_altmap *altmap)
{
unsigned long pte_base;
@@ -2671,7 +2671,8 @@ int __meminit vmemmap_populate(unsigned long vstart, unsigned long vend,
return 0;
}
-void vmemmap_free(unsigned long start, unsigned long end)
+void vmemmap_free(unsigned long start, unsigned long end,
+ struct vmem_altmap *altmap)
{
}
#endif /* CONFIG_SPARSEMEM_VMEMMAP */
diff --git a/arch/x86/mm/init_32.c b/arch/x86/mm/init_32.c
index 135c9a7898c7..79cb066f40c0 100644
--- a/arch/x86/mm/init_32.c
+++ b/arch/x86/mm/init_32.c
@@ -829,23 +829,24 @@ void __init mem_init(void)
}
#ifdef CONFIG_MEMORY_HOTPLUG
-int arch_add_memory(int nid, u64 start, u64 size, bool want_memblock)
+int arch_add_memory(int nid, u64 start, u64 size, struct vmem_altmap *altmap,
+ bool want_memblock)
{
unsigned long start_pfn = start >> PAGE_SHIFT;
unsigned long nr_pages = size >> PAGE_SHIFT;
- return __add_pages(nid, start_pfn, nr_pages, want_memblock);
+ return __add_pages(nid, start_pfn, nr_pages, altmap, want_memblock);
}
#ifdef CONFIG_MEMORY_HOTREMOVE
-int arch_remove_memory(u64 start, u64 size)
+int arch_remove_memory(u64 start, u64 size, struct vmem_altmap *altmap)
{
unsigned long start_pfn = start >> PAGE_SHIFT;
unsigned long nr_pages = size >> PAGE_SHIFT;
struct zone *zone;
zone = page_zone(pfn_to_page(start_pfn));
- return __remove_pages(zone, start_pfn, nr_pages);
+ return __remove_pages(zone, start_pfn, nr_pages, altmap);
}
#endif
#endif
diff --git a/arch/x86/mm/init_64.c b/arch/x86/mm/init_64.c
index 4a837289f2ad..1ab42c852069 100644
--- a/arch/x86/mm/init_64.c
+++ b/arch/x86/mm/init_64.c
@@ -772,12 +772,12 @@ static void update_end_of_memory_vars(u64 start, u64 size)
}
}
-int add_pages(int nid, unsigned long start_pfn,
- unsigned long nr_pages, bool want_memblock)
+int add_pages(int nid, unsigned long start_pfn, unsigned long nr_pages,
+ struct vmem_altmap *altmap, bool want_memblock)
{
int ret;
- ret = __add_pages(nid, start_pfn, nr_pages, want_memblock);
+ ret = __add_pages(nid, start_pfn, nr_pages, altmap, want_memblock);
WARN_ON_ONCE(ret);
/* update max_pfn, max_low_pfn and high_memory */
@@ -787,24 +787,24 @@ int add_pages(int nid, unsigned long start_pfn,
return ret;
}
-int arch_add_memory(int nid, u64 start, u64 size, bool want_memblock)
+int arch_add_memory(int nid, u64 start, u64 size, struct vmem_altmap *altmap,
+ bool want_memblock)
{
unsigned long start_pfn = start >> PAGE_SHIFT;
unsigned long nr_pages = size >> PAGE_SHIFT;
init_memory_mapping(start, start + size);
- return add_pages(nid, start_pfn, nr_pages, want_memblock);
+ return add_pages(nid, start_pfn, nr_pages, altmap, want_memblock);
}
-EXPORT_SYMBOL_GPL(arch_add_memory);
#define PAGE_INUSE 0xFD
-static void __meminit free_pagetable(struct page *page, int order)
+static void __meminit free_pagetable(struct page *page, int order,
+ struct vmem_altmap *altmap)
{
unsigned long magic;
unsigned int nr_pages = 1 << order;
- struct vmem_altmap *altmap = to_vmem_altmap((unsigned long) page);
if (altmap) {
vmem_altmap_free(altmap, nr_pages);
@@ -826,7 +826,8 @@ static void __meminit free_pagetable(struct page *page, int order)
free_pages((unsigned long)page_address(page), order);
}
-static void __meminit free_pte_table(pte_t *pte_start, pmd_t *pmd)
+static void __meminit free_pte_table(pte_t *pte_start, pmd_t *pmd,
+ struct vmem_altmap *altmap)
{
pte_t *pte;
int i;
@@ -838,13 +839,14 @@ static void __meminit free_pte_table(pte_t *pte_start, pmd_t *pmd)
}
/* free a pte talbe */
- free_pagetable(pmd_page(*pmd), 0);
+ free_pagetable(pmd_page(*pmd), 0, altmap);
spin_lock(&init_mm.page_table_lock);
pmd_clear(pmd);
spin_unlock(&init_mm.page_table_lock);
}
-static void __meminit free_pmd_table(pmd_t *pmd_start, pud_t *pud)
+static void __meminit free_pmd_table(pmd_t *pmd_start, pud_t *pud,
+ struct vmem_altmap *altmap)
{
pmd_t *pmd;
int i;
@@ -856,13 +858,14 @@ static void __meminit free_pmd_table(pmd_t *pmd_start, pud_t *pud)
}
/* free a pmd talbe */
- free_pagetable(pud_page(*pud), 0);
+ free_pagetable(pud_page(*pud), 0, altmap);
spin_lock(&init_mm.page_table_lock);
pud_clear(pud);
spin_unlock(&init_mm.page_table_lock);
}
-static void __meminit free_pud_table(pud_t *pud_start, p4d_t *p4d)
+static void __meminit free_pud_table(pud_t *pud_start, p4d_t *p4d,
+ struct vmem_altmap *altmap)
{
pud_t *pud;
int i;
@@ -874,7 +877,7 @@ static void __meminit free_pud_table(pud_t *pud_start, p4d_t *p4d)
}
/* free a pud talbe */
- free_pagetable(p4d_page(*p4d), 0);
+ free_pagetable(p4d_page(*p4d), 0, altmap);
spin_lock(&init_mm.page_table_lock);
p4d_clear(p4d);
spin_unlock(&init_mm.page_table_lock);
@@ -882,7 +885,7 @@ static void __meminit free_pud_table(pud_t *pud_start, p4d_t *p4d)
static void __meminit
remove_pte_table(pte_t *pte_start, unsigned long addr, unsigned long end,
- bool direct)
+ struct vmem_altmap *altmap, bool direct)
{
unsigned long next, pages = 0;
pte_t *pte;
@@ -913,7 +916,7 @@ remove_pte_table(pte_t *pte_start, unsigned long addr, unsigned long end,
* freed when offlining, or simplely not in use.
*/
if (!direct)
- free_pagetable(pte_page(*pte), 0);
+ free_pagetable(pte_page(*pte), 0, altmap);
spin_lock(&init_mm.page_table_lock);
pte_clear(&init_mm, addr, pte);
@@ -936,7 +939,7 @@ remove_pte_table(pte_t *pte_start, unsigned long addr, unsigned long end,
page_addr = page_address(pte_page(*pte));
if (!memchr_inv(page_addr, PAGE_INUSE, PAGE_SIZE)) {
- free_pagetable(pte_page(*pte), 0);
+ free_pagetable(pte_page(*pte), 0, altmap);
spin_lock(&init_mm.page_table_lock);
pte_clear(&init_mm, addr, pte);
@@ -953,7 +956,7 @@ remove_pte_table(pte_t *pte_start, unsigned long addr, unsigned long end,
static void __meminit
remove_pmd_table(pmd_t *pmd_start, unsigned long addr, unsigned long end,
- bool direct)
+ bool direct, struct vmem_altmap *altmap)
{
unsigned long next, pages = 0;
pte_t *pte_base;
@@ -972,7 +975,8 @@ remove_pmd_table(pmd_t *pmd_start, unsigned long addr, unsigned long end,
IS_ALIGNED(next, PMD_SIZE)) {
if (!direct)
free_pagetable(pmd_page(*pmd),
- get_order(PMD_SIZE));
+ get_order(PMD_SIZE),
+ altmap);
spin_lock(&init_mm.page_table_lock);
pmd_clear(pmd);
@@ -986,7 +990,8 @@ remove_pmd_table(pmd_t *pmd_start, unsigned long addr, unsigned long end,
if (!memchr_inv(page_addr, PAGE_INUSE,
PMD_SIZE)) {
free_pagetable(pmd_page(*pmd),
- get_order(PMD_SIZE));
+ get_order(PMD_SIZE),
+ altmap);
spin_lock(&init_mm.page_table_lock);
pmd_clear(pmd);
@@ -998,8 +1003,8 @@ remove_pmd_table(pmd_t *pmd_start, unsigned long addr, unsigned long end,
}
pte_base = (pte_t *)pmd_page_vaddr(*pmd);
- remove_pte_table(pte_base, addr, next, direct);
- free_pte_table(pte_base, pmd);
+ remove_pte_table(pte_base, addr, next, altmap, direct);
+ free_pte_table(pte_base, pmd, altmap);
}
/* Call free_pmd_table() in remove_pud_table(). */
@@ -1009,7 +1014,7 @@ remove_pmd_table(pmd_t *pmd_start, unsigned long addr, unsigned long end,
static void __meminit
remove_pud_table(pud_t *pud_start, unsigned long addr, unsigned long end,
- bool direct)
+ struct vmem_altmap *altmap, bool direct)
{
unsigned long next, pages = 0;
pmd_t *pmd_base;
@@ -1028,7 +1033,8 @@ remove_pud_table(pud_t *pud_start, unsigned long addr, unsigned long end,
IS_ALIGNED(next, PUD_SIZE)) {
if (!direct)
free_pagetable(pud_page(*pud),
- get_order(PUD_SIZE));
+ get_order(PUD_SIZE),
+ altmap);
spin_lock(&init_mm.page_table_lock);
pud_clear(pud);
@@ -1042,7 +1048,8 @@ remove_pud_table(pud_t *pud_start, unsigned long addr, unsigned long end,
if (!memchr_inv(page_addr, PAGE_INUSE,
PUD_SIZE)) {
free_pagetable(pud_page(*pud),
- get_order(PUD_SIZE));
+ get_order(PUD_SIZE),
+ altmap);
spin_lock(&init_mm.page_table_lock);
pud_clear(pud);
@@ -1054,8 +1061,8 @@ remove_pud_table(pud_t *pud_start, unsigned long addr, unsigned long end,
}
pmd_base = pmd_offset(pud, 0);
- remove_pmd_table(pmd_base, addr, next, direct);
- free_pmd_table(pmd_base, pud);
+ remove_pmd_table(pmd_base, addr, next, direct, altmap);
+ free_pmd_table(pmd_base, pud, altmap);
}
if (direct)
@@ -1064,7 +1071,7 @@ remove_pud_table(pud_t *pud_start, unsigned long addr, unsigned long end,
static void __meminit
remove_p4d_table(p4d_t *p4d_start, unsigned long addr, unsigned long end,
- bool direct)
+ struct vmem_altmap *altmap, bool direct)
{
unsigned long next, pages = 0;
pud_t *pud_base;
@@ -1080,14 +1087,14 @@ remove_p4d_table(p4d_t *p4d_start, unsigned long addr, unsigned long end,
BUILD_BUG_ON(p4d_large(*p4d));
pud_base = pud_offset(p4d, 0);
- remove_pud_table(pud_base, addr, next, direct);
+ remove_pud_table(pud_base, addr, next, altmap, direct);
/*
* For 4-level page tables we do not want to free PUDs, but in the
* 5-level case we should free them. This code will have to change
* to adapt for boot-time switching between 4 and 5 level page tables.
*/
if (CONFIG_PGTABLE_LEVELS == 5)
- free_pud_table(pud_base, p4d);
+ free_pud_table(pud_base, p4d, altmap);
}
if (direct)
@@ -1096,7 +1103,8 @@ remove_p4d_table(p4d_t *p4d_start, unsigned long addr, unsigned long end,
/* start and end are both virtual address. */
static void __meminit
-remove_pagetable(unsigned long start, unsigned long end, bool direct)
+remove_pagetable(unsigned long start, unsigned long end, bool direct,
+ struct vmem_altmap *altmap)
{
unsigned long next;
unsigned long addr;
@@ -1111,15 +1119,16 @@ remove_pagetable(unsigned long start, unsigned long end, bool direct)
continue;
p4d = p4d_offset(pgd, 0);
- remove_p4d_table(p4d, addr, next, direct);
+ remove_p4d_table(p4d, addr, next, altmap, direct);
}
flush_tlb_all();
}
-void __ref vmemmap_free(unsigned long start, unsigned long end)
+void __ref vmemmap_free(unsigned long start, unsigned long end,
+ struct vmem_altmap *altmap)
{
- remove_pagetable(start, end, false);
+ remove_pagetable(start, end, false, altmap);
}
#ifdef CONFIG_MEMORY_HOTREMOVE
@@ -1129,24 +1138,22 @@ kernel_physical_mapping_remove(unsigned long start, unsigned long end)
start = (unsigned long)__va(start);
end = (unsigned long)__va(end);
- remove_pagetable(start, end, true);
+ remove_pagetable(start, end, true, NULL);
}
-int __ref arch_remove_memory(u64 start, u64 size)
+int __ref arch_remove_memory(u64 start, u64 size, struct vmem_altmap *altmap)
{
unsigned long start_pfn = start >> PAGE_SHIFT;
unsigned long nr_pages = size >> PAGE_SHIFT;
struct page *page = pfn_to_page(start_pfn);
- struct vmem_altmap *altmap;
struct zone *zone;
int ret;
/* With altmap the first mapped page is offset from @start */
- altmap = to_vmem_altmap((unsigned long) page);
if (altmap)
page += vmem_altmap_offset(altmap);
zone = page_zone(page);
- ret = __remove_pages(zone, start_pfn, nr_pages);
+ ret = __remove_pages(zone, start_pfn, nr_pages, altmap);
WARN_ON_ONCE(ret);
kernel_physical_mapping_remove(start, start + size);
@@ -1378,7 +1385,10 @@ static int __meminit vmemmap_populate_hugepages(unsigned long start,
if (pmd_none(*pmd)) {
void *p;
- p = __vmemmap_alloc_block_buf(PMD_SIZE, node, altmap);
+ if (altmap)
+ p = altmap_alloc_block_buf(PMD_SIZE, altmap);
+ else
+ p = vmemmap_alloc_block_buf(PMD_SIZE, node);
if (p) {
pte_t entry;
@@ -1411,9 +1421,9 @@ static int __meminit vmemmap_populate_hugepages(unsigned long start,
return 0;
}
-int __meminit vmemmap_populate(unsigned long start, unsigned long end, int node)
+int __meminit vmemmap_populate(unsigned long start, unsigned long end, int node,
+ struct vmem_altmap *altmap)
{
- struct vmem_altmap *altmap = to_vmem_altmap(start);
int err;
if (boot_cpu_has(X86_FEATURE_PSE))
generated by cgit v1.2.3 (git 2.39.0) at 2025-02-05 22:43:55 +0300