Message ID | 5c322925aee8231af448a302aead72834cdb2ef0.1534258290.git.christophe.leroy@c-s.fr (mailing list archive) |
---|---|
State | Superseded |
Headers | show |
Series | [v2,1/4] powerpc/mm: enable the use of page table cache of order 0 | expand |
Context | Check | Description |
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snowpatch_ozlabs/apply_patch | success | next/apply_patch Successfully applied |
snowpatch_ozlabs/checkpatch | success | Test checkpatch on branch next |
snowpatch_ozlabs/build-ppc64le | warning | Test build-ppc64le on branch next |
snowpatch_ozlabs/build-ppc64be | warning | Test build-ppc64be on branch next |
snowpatch_ozlabs/build-ppc64e | warning | Test build-ppc64e on branch next |
snowpatch_ozlabs/build-ppc32 | warning | Test build-ppc32 on branch next |
snowpatch_ozlabs/apply_patch | success | next/apply_patch Successfully applied |
snowpatch_ozlabs/checkpatch | success | Test checkpatch on branch next |
snowpatch_ozlabs/build-ppc64le | warning | Test build-ppc64le on branch next |
snowpatch_ozlabs/build-ppc64be | warning | Test build-ppc64be on branch next |
snowpatch_ozlabs/build-ppc64e | warning | Test build-ppc64e on branch next |
snowpatch_ozlabs/build-ppc32 | warning | Test build-ppc32 on branch next |
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); }
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.leroy@c-s.fr> --- arch/powerpc/mm/init-common.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-)