diff options
Diffstat (limited to 'arch/arm/mm/mmu.c')
| -rw-r--r-- | arch/arm/mm/mmu.c | 16 |
1 files changed, 8 insertions, 8 deletions
diff --git a/arch/arm/mm/mmu.c b/arch/arm/mm/mmu.c index 6cf76b3b68d..594d677b92c 100644 --- a/arch/arm/mm/mmu.c +++ b/arch/arm/mm/mmu.c @@ -31,8 +31,6 @@ #include "mm.h" -DEFINE_PER_CPU(struct mmu_gather, mmu_gathers); - /* * empty_zero_page is a special page that is used for * zero-initialized data and COW. @@ -761,19 +759,16 @@ early_param("vmalloc", early_vmalloc); static phys_addr_t lowmem_limit __initdata = 0; -static void __init sanity_check_meminfo(void) +void __init sanity_check_meminfo(void) { int i, j, highmem = 0; - lowmem_limit = __pa(vmalloc_min - 1) + 1; - memblock_set_current_limit(lowmem_limit); - for (i = 0, j = 0; i < meminfo.nr_banks; i++) { struct membank *bank = &meminfo.bank[j]; *bank = meminfo.bank[i]; #ifdef CONFIG_HIGHMEM - if (__va(bank->start) > vmalloc_min || + if (__va(bank->start) >= vmalloc_min || __va(bank->start) < (void *)PAGE_OFFSET) highmem = 1; @@ -831,6 +826,9 @@ static void __init sanity_check_meminfo(void) bank->size = newsize; } #endif + if (!bank->highmem && bank->start + bank->size > lowmem_limit) + lowmem_limit = bank->start + bank->size; + j++; } #ifdef CONFIG_HIGHMEM @@ -854,6 +852,7 @@ static void __init sanity_check_meminfo(void) } #endif meminfo.nr_banks = j; + memblock_set_current_limit(lowmem_limit); } static inline void prepare_page_table(void) @@ -1033,8 +1032,9 @@ void __init paging_init(struct machine_desc *mdesc) { void *zero_page; + memblock_set_current_limit(lowmem_limit); + build_mem_type_table(); - sanity_check_meminfo(); prepare_page_table(); map_lowmem(); devicemaps_init(mdesc); |