diff options
Diffstat (limited to 'arch/arm/mm/mmu.c')
| -rw-r--r-- | arch/arm/mm/mmu.c | 11 |
1 files changed, 10 insertions, 1 deletions
diff --git a/arch/arm/mm/mmu.c b/arch/arm/mm/mmu.c index 594d677b92c8..fd38662098cd 100644 --- a/arch/arm/mm/mmu.c +++ b/arch/arm/mm/mmu.c @@ -554,6 +554,7 @@ static void __init alloc_init_section(pud_t *pud, unsigned long addr, const struct mem_type *type) { pmd_t *pmd = pmd_offset(pud, addr); + unsigned long pages_2m = 0, pages_4k = 0; /* * Try a section mapping - end, addr and phys must all be aligned @@ -572,6 +573,8 @@ static void __init alloc_init_section(pud_t *pud, unsigned long addr, phys += SECTION_SIZE; } while (pmd++, addr += SECTION_SIZE, addr != end); + pages_2m += (end-addr) >> SECTION_SHIFT; + flush_pmd_entry(p); } else { /* @@ -579,6 +582,12 @@ static void __init alloc_init_section(pud_t *pud, unsigned long addr, * individual L1 entries. */ alloc_init_pte(pmd, addr, end, __phys_to_pfn(phys), type); + pages_4k += (end-addr) >> PAGE_SHIFT; + } + + if ((addr < lowmem_limit) && (end < lowmem_limit)) { + update_page_count(PG_LEVEL_2M, pages_2m); + update_page_count(PG_LEVEL_4K, pages_4k); } } @@ -757,7 +766,7 @@ static int __init early_vmalloc(char *arg) } early_param("vmalloc", early_vmalloc); -static phys_addr_t lowmem_limit __initdata = 0; +phys_addr_t lowmem_limit; void __init sanity_check_meminfo(void) { |