From: Christoph Lameter <cl@linux.com>
Date: Fri, 18 Apr 2014 22:07:10 +0000 (-0700)
Subject: vmscan: reclaim_clean_pages_from_list() must use mod_zone_page_state()
X-Git-Tag: submit/tizen/20160422.055611~1^2~99^2~18^2~142
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=264a8ae739402ab7e14d1794fd4bbce0e339d415;p=sdk%2Femulator%2Femulator-kernel.git

vmscan: reclaim_clean_pages_from_list() must use mod_zone_page_state()

commit 83da7510058736c09a14b9c17ec7d851940a4332 upstream.

Seems to be called with preemption enabled.  Therefore it must use
mod_zone_page_state instead.

Signed-off-by: Christoph Lameter <cl@linux.com>
Reported-by: Grygorii Strashko <grygorii.strashko@ti.com>
Tested-by: Grygorii Strashko <grygorii.strashko@ti.com>
Cc: Tejun Heo <tj@kernel.org>
Cc: Santosh Shilimkar <santosh.shilimkar@ti.com>
Cc: Ingo Molnar <mingo@kernel.org>
Cc: Mel Gorman <mel@csn.ul.ie>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Signed-off-by: Mel Gorman <mgorman@suse.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---

diff --git a/mm/vmscan.c b/mm/vmscan.c
index 303a30403355..0c0b36e5b4f8 100644
--- a/mm/vmscan.c
+++ b/mm/vmscan.c
@@ -1144,7 +1144,7 @@ unsigned long reclaim_clean_pages_from_list(struct zone *zone,
 			TTU_UNMAP|TTU_IGNORE_ACCESS,
 			&dummy1, &dummy2, &dummy3, &dummy4, &dummy5, true);
 	list_splice(&clean_pages, page_list);
-	__mod_zone_page_state(zone, NR_ISOLATED_FILE, -ret);
+	mod_zone_page_state(zone, NR_ISOLATED_FILE, -ret);
 	return ret;
 }