From 3041808b522031dccfbd898e520109569f039860 Mon Sep 17 00:00:00 2001 From: Hyeonggon Yoo <42.hyeyoo@gmail.com> Date: Wed, 15 Jun 2022 00:26:35 +0900 Subject: 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 --- mm/slob.c | 25 +++++++++++++++++++++---- 1 file changed, 21 insertions(+), 4 deletions(-) (limited to 'mm/slob.c') 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); -- cgit v1.2.3