linux-kernel - [PATCH]mm/page_alloc.c: no need del from lru

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Date:	Fri, 06 May 2011 23:01:21 +0800
From:	"Figo.zhang" <figo1802@...il.com>
To:	lkml <linux-kernel@...r.kernel.org>,
	"linux-mm@...ck.org" <linux-mm@...ck.org>, mel@....ul.ie
Cc:	kamezawa.hiroyu@...fujisu.com, Minchan Kim <minchan.kim@...il.com>,
	Andrew Morton <akpm@...l.org>, aarcange@...hat.com
Subject: [PATCH]mm/page_alloc.c: no need del from lru


split_free_page() the page is still free page, it is no need del from lru.

Signed-off-by: Figo.zhang <figo1802@...il.com>
---
mm/page_alloc.c |    1 -
 1 files changed, 0 insertions(+), 1 deletions(-)

diff --git a/mm/page_alloc.c b/mm/page_alloc.c
index 9f8a97b..55d8810 100644
--- a/mm/page_alloc.c
+++ b/mm/page_alloc.c
@@ -1261,7 +1261,6 @@ int split_free_page(struct page *page)
 		return 0;
 
 	/* Remove page from free list */
-	list_del(&page->lru);
 	zone->free_area[order].nr_free--;
 	rmv_page_order(page);
 	__mod_zone_page_state(zone, NR_FREE_PAGES, -(1UL << order));


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