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-rw-r--r--mm/slab.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/mm/slab.c b/mm/slab.c
index 2f308253c3d7..c1fe8099b3cd 100644
--- a/mm/slab.c
+++ b/mm/slab.c
@@ -2665,6 +2665,7 @@ static struct page *cache_grow_begin(struct kmem_cache *cachep,
invalid_mask, &invalid_mask, flags, &flags);
dump_stack();
}
+ WARN_ON_ONCE(cachep->ctor && (flags & __GFP_ZERO));
local_flags = flags & (GFP_CONSTRAINT_MASK|GFP_RECLAIM_MASK);
check_irq_off();
@@ -3071,6 +3072,7 @@ static inline void cache_alloc_debugcheck_before(struct kmem_cache *cachep,
static void *cache_alloc_debugcheck_after(struct kmem_cache *cachep,
gfp_t flags, void *objp, unsigned long caller)
{
+ WARN_ON_ONCE(cachep->ctor && (flags & __GFP_ZERO));
if (!objp)
return objp;
if (cachep->flags & SLAB_POISON) {