[resend][PATCH] fix lru_cache_add_active_or_unevictable

[resend][PATCH] fix lru_cache_add_active_or_unevictable

[KOSAKI Motohiro]

I found I forgot insert below patch to my patchset for 2.6.26-rc5-mm3 today.
So, I resend it.

enjoy!


-------------------------
From: Rik van Riel <riel@redhat.com>

Undo an overzealous code cleanup to lru_cache_add_active_or_unevictable.
The callers do not set PageActive so the page would get added to the
wrong list.

Signed-off-by: Rik van Riel <riel@redhat.com>
Signed-off-by: KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com>

Index: linux-2.6.26-rc5-mm3/mm/swap.c
===================================================================
--- linux-2.6.26-rc5-mm3.orig/mm/swap.c	2008-07-01 18:47:04.000000000 +0900
+++ linux-2.6.26-rc5-mm3/mm/swap.c	2008-07-01 19:28:43.000000000 +0900
@@ -259,7 +259,7 @@
 					struct vm_area_struct *vma)
 {
 	if (page_evictable(page, vma))
-		lru_cache_add_lru(page, page_lru(page));
+		lru_cache_add_lru(page, LRU_ACTIVE + page_is_file_cache(page));
 	else
 		add_page_to_unevictable_list(page);
 }


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