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Diffstat (limited to 'arch/tile/mm/init.c')
-rw-r--r--arch/tile/mm/init.c19
1 files changed, 11 insertions, 8 deletions
diff --git a/arch/tile/mm/init.c b/arch/tile/mm/init.c
index 6a9d20ddc34f..630dd2ce2afe 100644
--- a/arch/tile/mm/init.c
+++ b/arch/tile/mm/init.c
@@ -82,7 +82,7 @@ static int num_l2_ptes[MAX_NUMNODES];
static void init_prealloc_ptes(int node, int pages)
{
- BUG_ON(pages & (HV_L2_ENTRIES-1));
+ BUG_ON(pages & (PTRS_PER_PTE - 1));
if (pages) {
num_l2_ptes[node] = pages;
l2_ptes[node] = __alloc_bootmem(pages * sizeof(pte_t),
@@ -131,14 +131,9 @@ static void __init assign_pte(pmd_t *pmd, pte_t *page_table)
#ifdef __tilegx__
-#if HV_L1_SIZE != HV_L2_SIZE
-# error Rework assumption that L1 and L2 page tables are same size.
-#endif
-
-/* Since pmd_t arrays and pte_t arrays are the same size, just use casts. */
static inline pmd_t *alloc_pmd(void)
{
- return (pmd_t *)alloc_pte();
+ return __alloc_bootmem(L1_KERNEL_PGTABLE_SIZE, HV_PAGE_TABLE_ALIGN, 0);
}
static inline void assign_pmd(pud_t *pud, pmd_t *pmd)
@@ -444,6 +439,7 @@ static pgd_t pgtables[PTRS_PER_PGD]
*/
static void __init kernel_physical_mapping_init(pgd_t *pgd_base)
{
+ unsigned long long irqmask;
unsigned long address, pfn;
pmd_t *pmd;
pte_t *pte;
@@ -633,10 +629,13 @@ static void __init kernel_physical_mapping_init(pgd_t *pgd_base)
* - install pgtables[] as the real page table
* - flush the TLB so the new page table takes effect
*/
+ irqmask = interrupt_mask_save_mask();
+ interrupt_mask_set_mask(-1ULL);
rc = flush_and_install_context(__pa(pgtables),
init_pgprot((unsigned long)pgtables),
__get_cpu_var(current_asid),
cpumask_bits(my_cpu_mask));
+ interrupt_mask_restore_mask(irqmask);
BUG_ON(rc != 0);
/* Copy the page table back to the normal swapper_pg_dir. */
@@ -699,6 +698,7 @@ static void __init permanent_kmaps_init(pgd_t *pgd_base)
#endif /* CONFIG_HIGHMEM */
+#ifndef CONFIG_64BIT
static void __init init_free_pfn_range(unsigned long start, unsigned long end)
{
unsigned long pfn;
@@ -771,6 +771,7 @@ static void __init set_non_bootmem_pages_init(void)
init_free_pfn_range(start, end);
}
}
+#endif
/*
* paging_init() sets up the page tables - note that all of lowmem is
@@ -807,7 +808,7 @@ void __init paging_init(void)
* changing init_mm once we get up and running, and there's no
* need for e.g. vmalloc_sync_all().
*/
- BUILD_BUG_ON(pgd_index(VMALLOC_START) != pgd_index(VMALLOC_END));
+ BUILD_BUG_ON(pgd_index(VMALLOC_START) != pgd_index(VMALLOC_END - 1));
pud = pud_offset(pgd_base + pgd_index(VMALLOC_START), VMALLOC_START);
assign_pmd(pud, alloc_pmd());
#endif
@@ -859,8 +860,10 @@ void __init mem_init(void)
/* this will put all bootmem onto the freelists */
totalram_pages += free_all_bootmem();
+#ifndef CONFIG_64BIT
/* count all remaining LOWMEM and give all HIGHMEM to page allocator */
set_non_bootmem_pages_init();
+#endif
codesize = (unsigned long)&_etext - (unsigned long)&_text;
datasize = (unsigned long)&_end - (unsigned long)&_sdata;