linux-kernel - [PATCH 5/9] swsusp: dont fiddle with swappiness

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Message-Id: <200902140203.10125.rjw@sisk.pl>
Date:	Sat, 14 Feb 2009 02:03:08 +0100
From:	"Rafael J. Wysocki" <rjw@...k.pl>
To:	Len Brown <lenb@...nel.org>
Cc:	Andrew Morton <akpm@...ux-foundation.org>,
	Arve Hjønnevåg <arve@...roid.com>,
	Greg KH <gregkh@...e.de>, Ingo Molnar <mingo@...e.hu>,
	Johannes Weiner <hannes@...xchg.org>,
	KOSAKI Motohiro <kosaki.motohiro@...fujitsu.com>,
	LKML <linux-kernel@...r.kernel.org>,
	Linus Torvalds <torvalds@...ux-foundation.org>,
	Pavel Machek <pavel@....cz>,
	pm list <linux-pm@...ts.linux-foundation.org>,
	Arjan van de Ven <arjan@...ux.intel.com>,
	Alan Jenkins <alan-jenkins@...fmail.co.uk>,
	Masami Hiramatsu <mhiramat@...hat.com>,
	Andrey Borzenkov <arvidjaar@...l.ru>
Subject: [PATCH 5/9] swsusp: dont fiddle with swappiness

From: Johannes Weiner <hannes@...xchg.org>

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

Signed-off-by: Johannes Weiner <hannes@...xchg.org>
Reviewed-by: KOSAKI Motohiro <kosaki.motohiro@...fujitsu.com>
Signed-off-by: Rafael J. Wysocki <rjw@...k.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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