diff options
Diffstat (limited to 'arch/powerpc/mm/init_64.c')
| -rw-r--r-- | arch/powerpc/mm/init_64.c | 9 |
1 files changed, 6 insertions, 3 deletions
diff --git a/arch/powerpc/mm/init_64.c b/arch/powerpc/mm/init_64.c index a90b9c45899..d0cd9e4c683 100644 --- a/arch/powerpc/mm/init_64.c +++ b/arch/powerpc/mm/init_64.c @@ -88,7 +88,11 @@ static void pgd_ctor(void *addr) static void pmd_ctor(void *addr) { +#ifdef CONFIG_TRANSPARENT_HUGEPAGE + memset(addr, 0, PMD_TABLE_SIZE * 2); +#else memset(addr, 0, PMD_TABLE_SIZE); +#endif } struct kmem_cache *pgtable_cache[MAX_PGTABLE_INDEX_SIZE]; @@ -137,10 +141,9 @@ void pgtable_cache_add(unsigned shift, void (*ctor)(void *)) void pgtable_cache_init(void) { pgtable_cache_add(PGD_INDEX_SIZE, pgd_ctor); - pgtable_cache_add(PMD_INDEX_SIZE, pmd_ctor); - if (!PGT_CACHE(PGD_INDEX_SIZE) || !PGT_CACHE(PMD_INDEX_SIZE)) + pgtable_cache_add(PMD_CACHE_INDEX, pmd_ctor); + if (!PGT_CACHE(PGD_INDEX_SIZE) || !PGT_CACHE(PMD_CACHE_INDEX)) panic("Couldn't allocate pgtable caches"); - /* In all current configs, when the PUD index exists it's the * same size as either the pgd or pmd index. Verify that the * initialization above has also created a PUD cache. This |