From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from psmtp.com (na3sys010amx170.postini.com [74.125.245.170]) by kanga.kvack.org (Postfix) with SMTP id 197866B006E for ; Fri, 8 Jun 2012 13:25:00 -0400 (EDT) Received: by dakp5 with SMTP id p5so3276710dak.14 for ; Fri, 08 Jun 2012 10:24:59 -0700 (PDT) From: Joonsoo Kim Subject: [PATCH 1/4] slub: change declare of get_slab() to inline at all times Date: Sat, 9 Jun 2012 02:23:14 +0900 Message-Id: <1339176197-13270-1-git-send-email-js1304@gmail.com> In-Reply-To: References: Sender: owner-linux-mm@kvack.org List-ID: To: Pekka Enberg Cc: Christoph Lameter , linux-kernel@vger.kernel.org, linux-mm@kvack.org, Joonsoo Kim __kmalloc and it's variants are invoked much frequently and these are performance critical functions, so their callee functions are declared '__always_inline' But, currently, get_slab() isn't declared '__always_inline'. In result, __kmalloc and it's variants call get_slab() on x86. It is not desirable result, so change it to inline at all times. Signed-off-by: Joonsoo Kim diff --git a/mm/slub.c b/mm/slub.c index 71de9b5..30ceb6d 100644 --- a/mm/slub.c +++ b/mm/slub.c @@ -3320,7 +3320,7 @@ static inline int size_index_elem(size_t bytes) return (bytes - 1) / 8; } -static struct kmem_cache *get_slab(size_t size, gfp_t flags) +static __always_inline struct kmem_cache *get_slab(size_t size, gfp_t flags) { int index; -- 1.7.9.5 -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@kvack.org. For more info on Linux MM, see: http://www.linux-mm.org/ . Don't email: email@kvack.org