In array cache, there is a object at index 0.
So fix it.
Signed-off-by: Joonsoo Kim <js1...@gmail.com>
Cc: Mel Gorman <mgor...@suse.de>
Cc: Christoph Lameter <c...@linux-foundation.org>
diff --git a/mm/slab.c b/mm/slab.c
index 45cf59a..eb74bf5 100644
--- a/mm/slab.c
+++ b/mm/slab.c
@@ -976,7 +976,7 @@ static void *__ac_get_obj(struct kmem_cache *cachep, struct
array_cache *ac,
}
/* The caller cannot use PFMEMALLOC objects, find another one */
- for (i = 1; i < ac->avail; i++) {
+ for (i = 0; i < ac->avail; i++) {
/* If a !PFMEMALLOC object is found, swap them */
if (!is_obj_pfmemalloc(ac->entry[i])) {
objp = ac->entry[i];
--
1.7.9.5
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