linux-kernel - Re: [RFC 8/8] compaction: make compaction use in-order putback

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Message-ID: <BANLkTincwtuon1nk8C3q6+CFHhQx-ZXVNQ@mail.gmail.com>
Date:	Wed, 27 Apr 2011 13:22:37 +0900
From:	Minchan Kim <minchan.kim@...il.com>
To:	Andrew Morton <akpm@...ux-foundation.org>
Cc:	linux-mm <linux-mm@...ck.org>, LKML <linux-kernel@...r.kernel.org>,
	Christoph Lameter <cl@...ux.com>,
	Johannes Weiner <jweiner@...hat.com>,
	KAMEZAWA Hiroyuki <kamezawa.hiroyu@...fujitsu.com>,
	Minchan Kim <minchan.kim@...il.com>,
	KOSAKI Motohiro <kosaki.motohiro@...fujitsu.com>,
	Mel Gorman <mgorman@...e.de>, Rik van Riel <riel@...hat.com>,
	Andrea Arcangeli <aarcange@...hat.com>
Subject: Re: [RFC 8/8] compaction: make compaction use in-order putback

I should have add up this piece.
I will resend all after work.

===

diff --git a/mm/compaction.c b/mm/compaction.c
index 95af5bc..59a675c 100644
--- a/mm/compaction.c
+++ b/mm/compaction.c

@@ -327,7 +328,7 @@ static unsigned long isolate_migratepages(struct zone *zone,

                /* Successfully isolated */
                del_page_from_lru_list(zone, page, page_lru(page));
-               list_add(&page->lru, migratelist);
+               list_add(&pages_lru->lru, migratelist);
                cc->nr_migratepages++;
                nr_isolated++;
@@ -525,7 +525,7 @@ static int compact_zone(struct zone *zone, struct
compact_control *cc)
                nr_migrate = cc->nr_migratepages;
                migrate_pages(&cc->migratepages, compaction_alloc,
                                (unsigned long)cc, false,
-                               cc->sync, false);
+                               cc->sync, true);
                count_vm_event(PGMIGRATE);
                update_nr_listpages(cc);
                nr_remaining = cc->nr_migratepages;

==
-- 
Kind regards,
Minchan Kim
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