From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail203.messagelabs.com (mail203.messagelabs.com [216.82.254.243]) by kanga.kvack.org (Postfix) with SMTP id 3C8B26B024D for ; Sat, 10 Jul 2010 06:05:50 -0400 (EDT) Received: by pvc30 with SMTP id 30so1379043pvc.14 for ; Sat, 10 Jul 2010 03:05:47 -0700 (PDT) From: Bob Liu Subject: [PATCH] slob_free:free objects to their own list Date: Sat, 10 Jul 2010 18:05:33 +0800 Message-Id: <1278756333-6850-1-git-send-email-lliubbo@gmail.com> Sender: owner-linux-mm@kvack.org To: akpm@linux-foundation.org Cc: linux-mm@kvack.org, mpm@selenic.com, hannes@cmpxchg.org, Bob Liu List-ID: slob has alloced smaller objects from their own list in reduce overall external fragmentation and increase repeatability, free to their own list also. Signed-off-by: Bob Liu --- mm/slob.c | 9 ++++++++- 1 files changed, 8 insertions(+), 1 deletions(-) diff --git a/mm/slob.c b/mm/slob.c index 3f19a34..d582171 100644 --- a/mm/slob.c +++ b/mm/slob.c @@ -396,6 +396,7 @@ static void slob_free(void *block, int size) slob_t *prev, *next, *b = (slob_t *)block; slobidx_t units; unsigned long flags; + struct list_head *slob_list; if (unlikely(ZERO_OR_NULL_PTR(block))) return; @@ -424,7 +425,13 @@ static void slob_free(void *block, int size) set_slob(b, units, (void *)((unsigned long)(b + SLOB_UNITS(PAGE_SIZE)) & PAGE_MASK)); - set_slob_page_free(sp, &free_slob_small); + if (size < SLOB_BREAK1) + slob_list = &free_slob_small; + else if (size < SLOB_BREAK2) + slob_list = &free_slob_medium; + else + slob_list = &free_slob_large; + set_slob_page_free(sp, slob_list); goto out; } -- 1.5.6.3 -- 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