Commit d3629af5 authored by Yang Yang's avatar Yang Yang Committed by Andrew Morton
Browse files

mm/vmscan: make the annotations of refaults code at the right place 

After patch "mm/workingset: prepare the workingset detection
infrastructure for anon LRU", we can handle the refaults of anonymous
pages too.  So the annotations of refaults should cover both of anonymous
pages and file pages.

Link: https://lkml.kernel.org/r/20220813080757.59131-1-yang.yang29@zte.com.cn


Fixes: 170b04b7 ("mm/workingset: prepare the workingset detection infrastructure for anon LRU")
Signed-off-by: default avatarYang Yang <yang.yang29@zte.com.cn>
Signed-off-by: default avatarCGEL ZTE <cgel.zte@gmail.com>
Cc: Joonsoo Kim <iamjoonsoo.kim@lge.com>
Cc: Johannes Weiner <hannes@cmpxchg.org>
Cc: Vlastimil Babka <vbabka@suse.cz>
Signed-off-by: default avatarAndrew Morton <akpm@linux-foundation.org>
parent 4ed98243

mm/vmscan.c

+5 −5
Original line number Diff line number Diff line
@@ -3228,6 +3228,11 @@ static void shrink_node(pg_data_t *pgdat, struct scan_control *sc) 
	if (!sc->force_deactivate) {

		unsigned long refaults;



		/*

		 * When refaults are being observed, it means a new

		 * workingset is being established. Deactivate to get

		 * rid of any stale active pages quickly.

		 */

		refaults = lruvec_page_state(target_lruvec,

				WORKINGSET_ACTIVATE_ANON);

		if (refaults != target_lruvec->refaults[WORKINGSET_ANON] ||
@@ -3236,11 +3241,6 @@ static void shrink_node(pg_data_t *pgdat, struct scan_control *sc) 
		else

			sc->may_deactivate &= ~DEACTIVATE_ANON;



		/*

		 * When refaults are being observed, it means a new

		 * workingset is being established. Deactivate to get

		 * rid of any stale active pages quickly.

		 */

		refaults = lruvec_page_state(target_lruvec,

				WORKINGSET_ACTIVATE_FILE);

		if (refaults != target_lruvec->refaults[WORKINGSET_FILE] ||