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-rw-r--r--mm/slab_common.c23
1 files changed, 23 insertions, 0 deletions
diff --git a/mm/slab_common.c b/mm/slab_common.c
index 86831105a09f..c26829fe4e37 100644
--- a/mm/slab_common.c
+++ b/mm/slab_common.c
@@ -104,6 +104,29 @@ static inline int kmem_cache_sanity_check(const char *name, size_t size)
}
#endif
+void __kmem_cache_free_bulk(struct kmem_cache *s, size_t nr, void **p)
+{
+ size_t i;
+
+ for (i = 0; i < nr; i++)
+ kmem_cache_free(s, p[i]);
+}
+
+bool __kmem_cache_alloc_bulk(struct kmem_cache *s, gfp_t flags, size_t nr,
+ void **p)
+{
+ size_t i;
+
+ for (i = 0; i < nr; i++) {
+ void *x = p[i] = kmem_cache_alloc(s, flags);
+ if (!x) {
+ __kmem_cache_free_bulk(s, i, p);
+ return false;
+ }
+ }
+ return true;
+}
+
#ifdef CONFIG_MEMCG_KMEM
void slab_init_memcg_params(struct kmem_cache *s)
{