pgtable_cache_add() gracefully handles the case when a cache that
size already exists by returning early with the following test:
if (PGT_CACHE(shift))
return; /* Already have a cache of this size */
It is then not needed to test the existence of the cache before.
Signed-off-by: Christophe Leroy <christophe.le...@c-s.fr>
---
arch/powerpc/mm/init-common.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/arch/powerpc/mm/init-common.c b/arch/powerpc/mm/init-common.c
index b7ca03643d0b..1e6910eb70ed 100644
--- a/arch/powerpc/mm/init-common.c
+++ b/arch/powerpc/mm/init-common.c
@@ -111,13 +111,13 @@ void pgtable_cache_init(void)
{
pgtable_cache_add(PGD_INDEX_SIZE);
- if (PMD_CACHE_INDEX && !PGT_CACHE(PMD_CACHE_INDEX))
+ if (PMD_CACHE_INDEX)
pgtable_cache_add(PMD_CACHE_INDEX);
/*
* In all current configs, when the PUD index exists it's the
* same size as either the pgd or pmd index except with THP enabled
* on book3s 64
*/
- if (PUD_CACHE_INDEX && !PGT_CACHE(PUD_CACHE_INDEX))
+ if (PUD_CACHE_INDEX)
pgtable_cache_add(PUD_CACHE_INDEX);
}
--
2.13.3
