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-rw-r--r--mm/slub.c15
1 files changed, 3 insertions, 12 deletions
diff --git a/mm/slub.c b/mm/slub.c
index 985332b..6d5f230 100644
--- a/mm/slub.c
+++ b/mm/slub.c
@@ -2611,19 +2611,10 @@ redo:
void kmem_cache_free(struct kmem_cache *s, void *x)
{
- struct page *page;
-
- page = virt_to_head_page(x);
-
- if (kmem_cache_debug(s) && page->slab_cache != s) {
- pr_err("kmem_cache_free: Wrong slab cache. %s but object"
- " is from %s\n", page->slab_cache->name, s->name);
- WARN_ON_ONCE(1);
+ s = cache_from_obj(s, x);
+ if (!s)
return;
- }
-
- slab_free(s, page, x, _RET_IP_);
-
+ slab_free(s, virt_to_head_page(x), x, _RET_IP_);
trace_kmem_cache_free(_RET_IP_, x);
}
EXPORT_SYMBOL(kmem_cache_free);
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