[PATCH 40/97] vmscan: reclaim_clean_pages_from_list() must use mod_zone_page_state()

From: Mel Gorman
Date: Thu Aug 28 2014 - 15:00:48 EST

From: Christoph Lameter <cl@xxxxxxxxx>

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@xxxxxxxxx>
Reported-by: Grygorii Strashko <grygorii.strashko@xxxxxx>
Tested-by: Grygorii Strashko <grygorii.strashko@xxxxxx>
Cc: Tejun Heo <tj@xxxxxxxxxx>
Cc: Santosh Shilimkar <santosh.shilimkar@xxxxxx>
Cc: Ingo Molnar <mingo@xxxxxxxxxx>
Cc: Mel Gorman <mel@xxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
Signed-off-by: Linus Torvalds <torvalds@xxxxxxxxxxxxxxxxxxxx>
Signed-off-by: Mel Gorman <mgorman@xxxxxxx>
mm/vmscan.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/mm/vmscan.c b/mm/vmscan.c
index 9de5a52..96cd5c4 100644
--- a/mm/vmscan.c
+++ b/mm/vmscan.c
@@ -1144,7 +1144,7 @@ unsigned long reclaim_clean_pages_from_list(struct zone *zone,
&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;


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