From: Andrew Morton
Subject: memory-hotplug-fix-kswapd-looping-forever-problem-fix
simplify nr_zone_isolate_freepages(), rework zone_watermark_ok_safe() comment,
simplify set_pageblock_isolate() and restore_pageblock_isolate().
Cc: Aaditya Kumar
Cc: KAMEZAWA Hiroyuki
Cc: Mel Gorman
Cc: Mi
On Thu, Jul 12, 2012 at 02:01:54PM -0700, Andrew Morton wrote:
> On Thu, 12 Jul 2012 11:50:49 +0900
> Minchan Kim wrote:
>
> > When hotplug offlining happens on zone A, it starts to mark freed page
> > as MIGRATE_ISOLATE type in buddy for preventing further allocation.
> > (MIGRATE_ISOLATE is ver
On Thu, 12 Jul 2012 11:50:49 +0900
Minchan Kim wrote:
> When hotplug offlining happens on zone A, it starts to mark freed page
> as MIGRATE_ISOLATE type in buddy for preventing further allocation.
> (MIGRATE_ISOLATE is very irony type because it's apparently on buddy
> but we can't allocate them)
When hotplug offlining happens on zone A, it starts to mark freed page
as MIGRATE_ISOLATE type in buddy for preventing further allocation.
(MIGRATE_ISOLATE is very irony type because it's apparently on buddy
but we can't allocate them).
When the memory shortage happens during hotplug offlining,
cur
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