summaryrefslogtreecommitdiffstats
path: root/arch/powerpc/mm/init_64.c
diff options
context:
space:
mode:
Diffstat (limited to 'arch/powerpc/mm/init_64.c')
-rw-r--r--arch/powerpc/mm/init_64.c9
1 files changed, 6 insertions, 3 deletions
diff --git a/arch/powerpc/mm/init_64.c b/arch/powerpc/mm/init_64.c
index a90b9c458990..d0cd9e4c6837 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
OpenPOWER on IntegriCloud