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authorHyeonggon Yoo <42.hyeyoo@gmail.com>2022-06-15 00:26:35 +0900
committerVlastimil Babka <vbabka@suse.cz>2022-07-20 13:30:12 +0200
commit3041808b522031dccfbd898e520109569f039860 (patch)
tree332989bfd24fed3164853c7f42ddd4d29ebf26b6 /mm/slob.c
parent2055e67bb6a8fbb6aabdb9536443688ef52456c4 (diff)
mm/slab_common: move generic bulk alloc/free functions to SLOB
Now that only SLOB use __kmem_cache_{alloc,free}_bulk(), move them to SLOB. No functional change intended. Signed-off-by: Hyeonggon Yoo <42.hyeyoo@gmail.com> Signed-off-by: Vlastimil Babka <vbabka@suse.cz>
Diffstat (limited to 'mm/slob.c')
-rw-r--r--mm/slob.c25
1 files changed, 21 insertions, 4 deletions
diff --git a/mm/slob.c b/mm/slob.c
index 56421fe461c4..2bd4f476c340 100644
--- a/mm/slob.c
+++ b/mm/slob.c
@@ -692,16 +692,33 @@ void kmem_cache_free(struct kmem_cache *c, void *b)
}
EXPORT_SYMBOL(kmem_cache_free);
-void kmem_cache_free_bulk(struct kmem_cache *s, size_t size, void **p)
+void kmem_cache_free_bulk(struct kmem_cache *s, size_t nr, void **p)
{
- __kmem_cache_free_bulk(s, size, p);
+ size_t i;
+
+ for (i = 0; i < nr; i++) {
+ if (s)
+ kmem_cache_free(s, p[i]);
+ else
+ kfree(p[i]);
+ }
}
EXPORT_SYMBOL(kmem_cache_free_bulk);
-int kmem_cache_alloc_bulk(struct kmem_cache *s, gfp_t flags, size_t size,
+int kmem_cache_alloc_bulk(struct kmem_cache *s, gfp_t flags, size_t nr,
void **p)
{
- return __kmem_cache_alloc_bulk(s, flags, size, 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 0;
+ }
+ }
+ return i;
}
EXPORT_SYMBOL(kmem_cache_alloc_bulk);