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Subject[PATCH v3 03/16] slab: Ignore the cflgs bit in cache creation
No cache should ever pass that as a creation flag, since this bit is
used to mark an internal decision of the slab about object placement. We
can just ignore this bit if it happens to be passed (such as when
duplicating a cache in the kmem memcg patches)

Signed-off-by: Glauber Costa <>
CC: Christoph Lameter <>
CC: Pekka Enberg <>
CC: David Rientjes <>
mm/slab.c | 1 +
1 file changed, 1 insertion(+)

diff --git a/mm/slab.c b/mm/slab.c
index a7ed60f..ccf496c 100644
--- a/mm/slab.c
+++ b/mm/slab.c
@@ -2373,6 +2373,7 @@ __kmem_cache_create (struct kmem_cache *cachep, unsigned long flags)
int err;
size_t size = cachep->size;

+ flags &= ~CFLGS_OFF_SLAB;

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