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Diffstat (limited to 'arch/arm/mm/init.c')
-rw-r--r--arch/arm/mm/init.c89
1 files changed, 25 insertions, 64 deletions
diff --git a/arch/arm/mm/init.c b/arch/arm/mm/init.c
index 9a5cdc01fcdf..febaee7ca57b 100644
--- a/arch/arm/mm/init.c
+++ b/arch/arm/mm/init.c
@@ -17,6 +17,7 @@
#include <linux/nodemask.h>
#include <linux/initrd.h>
#include <linux/of_fdt.h>
+#include <linux/of_reserved_mem.h>
#include <linux/highmem.h>
#include <linux/gfp.h>
#include <linux/memblock.h>
@@ -36,12 +37,13 @@
#include "mm.h"
-static unsigned long phys_initrd_start __initdata = 0;
+static phys_addr_t phys_initrd_start __initdata = 0;
static unsigned long phys_initrd_size __initdata = 0;
static int __init early_initrd(char *p)
{
- unsigned long start, size;
+ phys_addr_t start;
+ unsigned long size;
char *endp;
start = memparse(p, &endp);
@@ -76,7 +78,7 @@ static int __init parse_tag_initrd2(const struct tag *tag)
__tagtable(ATAG_INITRD2, parse_tag_initrd2);
#ifdef CONFIG_OF_FLATTREE
-void __init early_init_dt_setup_initrd_arch(unsigned long start, unsigned long end)
+void __init early_init_dt_setup_initrd_arch(u64 start, u64 end)
{
phys_initrd_start = start;
phys_initrd_size = end - start;
@@ -206,7 +208,7 @@ static void __init arm_bootmem_init(unsigned long start_pfn,
#ifdef CONFIG_ZONE_DMA
-unsigned long arm_dma_zone_size __read_mostly;
+phys_addr_t arm_dma_zone_size __read_mostly;
EXPORT_SYMBOL(arm_dma_zone_size);
/*
@@ -230,7 +232,7 @@ static void __init arm_adjust_dma_zone(unsigned long *size, unsigned long *hole,
}
#endif
-void __init setup_dma_zone(struct machine_desc *mdesc)
+void __init setup_dma_zone(const struct machine_desc *mdesc)
{
#ifdef CONFIG_ZONE_DMA
if (mdesc->dma_zone_size) {
@@ -334,7 +336,8 @@ phys_addr_t __init arm_memblock_steal(phys_addr_t size, phys_addr_t align)
return phys;
}
-void __init arm_memblock_init(struct meminfo *mi, struct machine_desc *mdesc)
+void __init arm_memblock_init(struct meminfo *mi,
+ const struct machine_desc *mdesc)
{
int i;
@@ -350,14 +353,14 @@ void __init arm_memblock_init(struct meminfo *mi, struct machine_desc *mdesc)
#ifdef CONFIG_BLK_DEV_INITRD
if (phys_initrd_size &&
!memblock_is_region_memory(phys_initrd_start, phys_initrd_size)) {
- pr_err("INITRD: 0x%08lx+0x%08lx is not a memory region - disabling initrd\n",
- phys_initrd_start, phys_initrd_size);
+ pr_err("INITRD: 0x%08llx+0x%08lx is not a memory region - disabling initrd\n",
+ (u64)phys_initrd_start, phys_initrd_size);
phys_initrd_start = phys_initrd_size = 0;
}
if (phys_initrd_size &&
memblock_is_region_reserved(phys_initrd_start, phys_initrd_size)) {
- pr_err("INITRD: 0x%08lx+0x%08lx overlaps in-use memory region - disabling initrd\n",
- phys_initrd_start, phys_initrd_size);
+ pr_err("INITRD: 0x%08llx+0x%08lx overlaps in-use memory region - disabling initrd\n",
+ (u64)phys_initrd_start, phys_initrd_size);
phys_initrd_start = phys_initrd_size = 0;
}
if (phys_initrd_size) {
@@ -376,6 +379,8 @@ void __init arm_memblock_init(struct meminfo *mi, struct machine_desc *mdesc)
if (mdesc->reserve)
mdesc->reserve();
+ early_init_dt_scan_reserved_mem();
+
/*
* reserve memory for DMA contigouos allocations,
* must come from DMA area inside low memory
@@ -442,7 +447,7 @@ static inline void
free_memmap(unsigned long start_pfn, unsigned long end_pfn)
{
struct page *start_pg, *end_pg;
- unsigned long pg, pgend;
+ phys_addr_t pg, pgend;
/*
* Convert start_pfn/end_pfn to a struct page pointer.
@@ -454,8 +459,8 @@ free_memmap(unsigned long start_pfn, unsigned long end_pfn)
* Convert to physical addresses, and
* round start upwards and end downwards.
*/
- pg = (unsigned long)PAGE_ALIGN(__pa(start_pg));
- pgend = (unsigned long)__pa(end_pg) & PAGE_MASK;
+ pg = PAGE_ALIGN(__pa(start_pg));
+ pgend = __pa(end_pg) & PAGE_MASK;
/*
* If there are free pages between these,
@@ -582,9 +587,6 @@ static void __init free_highpages(void)
*/
void __init mem_init(void)
{
- unsigned long reserved_pages, free_pages;
- struct memblock_region *reg;
- int i;
#ifdef CONFIG_HAVE_TCM
/* These pointers are filled in on TCM detection */
extern u32 dtcm_end;
@@ -595,57 +597,16 @@ void __init mem_init(void)
/* this will put all unused low memory onto the freelists */
free_unused_memmap(&meminfo);
-
- totalram_pages += free_all_bootmem();
+ free_all_bootmem();
#ifdef CONFIG_SA1111
/* now that our DMA memory is actually so designated, we can free it */
- free_reserved_area(__va(PHYS_PFN_OFFSET), swapper_pg_dir, 0, NULL);
+ free_reserved_area(__va(PHYS_OFFSET), swapper_pg_dir, -1, NULL);
#endif
free_highpages();
- reserved_pages = free_pages = 0;
-
- for_each_bank(i, &meminfo) {
- struct membank *bank = &meminfo.bank[i];
- unsigned int pfn1, pfn2;
- struct page *page, *end;
-
- pfn1 = bank_pfn_start(bank);
- pfn2 = bank_pfn_end(bank);
-
- page = pfn_to_page(pfn1);
- end = pfn_to_page(pfn2 - 1) + 1;
-
- do {
- if (PageReserved(page))
- reserved_pages++;
- else if (!page_count(page))
- free_pages++;
- page++;
- } while (page < end);
- }
-
- /*
- * Since our memory may not be contiguous, calculate the
- * real number of pages we have in this system
- */
- printk(KERN_INFO "Memory:");
- num_physpages = 0;
- for_each_memblock(memory, reg) {
- unsigned long pages = memblock_region_memory_end_pfn(reg) -
- memblock_region_memory_base_pfn(reg);
- num_physpages += pages;
- printk(" %ldMB", pages >> (20 - PAGE_SHIFT));
- }
- printk(" = %luMB total\n", num_physpages >> (20 - PAGE_SHIFT));
-
- printk(KERN_NOTICE "Memory: %luk/%luk available, %luk reserved, %luK highmem\n",
- nr_free_pages() << (PAGE_SHIFT-10),
- free_pages << (PAGE_SHIFT-10),
- reserved_pages << (PAGE_SHIFT-10),
- totalhigh_pages << (PAGE_SHIFT-10));
+ mem_init_print_info(NULL);
#define MLK(b, t) b, t, ((t) - (b)) >> 10
#define MLM(b, t) b, t, ((t) - (b)) >> 20
@@ -711,7 +672,7 @@ void __init mem_init(void)
BUG_ON(PKMAP_BASE + LAST_PKMAP * PAGE_SIZE > PAGE_OFFSET);
#endif
- if (PAGE_SIZE >= 16384 && num_physpages <= 128) {
+ if (PAGE_SIZE >= 16384 && get_num_physpages() <= 128) {
extern int sysctl_overcommit_memory;
/*
* On a machine this small we won't get
@@ -728,12 +689,12 @@ void free_initmem(void)
extern char __tcm_start, __tcm_end;
poison_init_mem(&__tcm_start, &__tcm_end - &__tcm_start);
- free_reserved_area(&__tcm_start, &__tcm_end, 0, "TCM link");
+ free_reserved_area(&__tcm_start, &__tcm_end, -1, "TCM link");
#endif
poison_init_mem(__init_begin, __init_end - __init_begin);
if (!machine_is_integrator() && !machine_is_cintegrator())
- free_initmem_default(0);
+ free_initmem_default(-1);
}
#ifdef CONFIG_BLK_DEV_INITRD
@@ -744,7 +705,7 @@ void free_initrd_mem(unsigned long start, unsigned long end)
{
if (!keep_initrd) {
poison_init_mem((void *)start, PAGE_ALIGN(end) - start);
- free_reserved_area(start, end, 0, "initrd");
+ free_reserved_area((void *)start, (void *)end, -1, "initrd");
}
}
generated by cgit v1.2.3 (git 2.39.0) at 2024-12-23 03:33:38 +0300