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Subject[PATCH 5/9] swsusp: dont fiddle with swappiness
Date
From: Johannes Weiner <hannes@cmpxchg.org>

sc.swappiness is not used in the swsusp memory shrinking path, do not
set it.

Signed-off-by: Johannes Weiner <hannes@cmpxchg.org>
Reviewed-by: KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com>
Signed-off-by: Rafael J. Wysocki <rjw@sisk.pl>
---
mm/vmscan.c | 5 +----
1 file changed, 1 insertion(+), 4 deletions(-)
Index: linux-2.6/mm/vmscan.c
===================================================================
--- linux-2.6.orig/mm/vmscan.c
+++ linux-2.6/mm/vmscan.c
@@ -2112,7 +2112,6 @@ unsigned long shrink_all_memory(unsigned
.may_swap = 0,
.swap_cluster_max = nr_pages,
.may_writepage = 1,
- .swappiness = vm_swappiness,
.isolate_pages = isolate_pages_global,
};

@@ -2146,10 +2145,8 @@ unsigned long shrink_all_memory(unsigned
int prio;

/* Force reclaiming mapped pages in the passes #3 and #4 */
- if (pass > 2) {
+ if (pass > 2)
sc.may_swap = 1;
- sc.swappiness = 100;
- }

for (prio = DEF_PRIORITY; prio >= 0; prio--) {
unsigned long nr_to_scan = nr_pages - ret;

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