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 303a304..0c0b36e 100644 (file)
--- 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;
 }