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-rw-r--r--mm/slab.c24
1 files changed, 18 insertions, 6 deletions
diff --git a/mm/slab.c b/mm/slab.c
index 95e5d6356d86..d3608d15fbe4 100644
--- a/mm/slab.c
+++ b/mm/slab.c
@@ -2460,14 +2460,14 @@ static inline void set_free_obj(struct page *page,
((freelist_idx_t *)(page->freelist))[idx] = val;
}
-static void cache_init_objs(struct kmem_cache *cachep,
- struct page *page)
+static void cache_init_objs_debug(struct kmem_cache *cachep, struct page *page)
{
+#if DEBUG
int i;
for (i = 0; i < cachep->num; i++) {
void *objp = index_to_obj(cachep, page, i);
-#if DEBUG
+
if (cachep->flags & SLAB_STORE_USER)
*dbg_userword(cachep, objp) = NULL;
@@ -2496,10 +2496,22 @@ static void cache_init_objs(struct kmem_cache *cachep,
poison_obj(cachep, objp, POISON_FREE);
slab_kernel_map(cachep, objp, 0, 0);
}
-#else
- if (cachep->ctor)
- cachep->ctor(objp);
+ }
#endif
+}
+
+static void cache_init_objs(struct kmem_cache *cachep,
+ struct page *page)
+{
+ int i;
+
+ cache_init_objs_debug(cachep, page);
+
+ for (i = 0; i < cachep->num; i++) {
+ /* constructor could break poison info */
+ if (DEBUG == 0 && cachep->ctor)
+ cachep->ctor(index_to_obj(cachep, page, i));
+
set_free_obj(page, i, i);
}
}