Re: [PATCH v2 3/6] mm/balloon_compaction: isolate balloon pages without lru_lock

2014-09-02 Thread Rafael Aquini
On Sat, Aug 30, 2014 at 08:41:17PM +0400, Konstantin Khlebnikov wrote: > From: Konstantin Khlebnikov > > LRU-lock isn't required for balloon page isolation. This check makes migration > of some ballooned pages mostly impossible because isolate_migratepages_range() > drops LRU lock periodically.

Re: [PATCH v2 3/6] mm/balloon_compaction: isolate balloon pages without lru_lock

2014-09-02 Thread Rafael Aquini
On Sat, Aug 30, 2014 at 08:41:17PM +0400, Konstantin Khlebnikov wrote: From: Konstantin Khlebnikov k.khlebni...@samsung.com LRU-lock isn't required for balloon page isolation. This check makes migration of some ballooned pages mostly impossible because isolate_migratepages_range() drops LRU

[PATCH v2 3/6] mm/balloon_compaction: isolate balloon pages without lru_lock

2014-08-30 Thread Konstantin Khlebnikov
From: Konstantin Khlebnikov LRU-lock isn't required for balloon page isolation. This check makes migration of some ballooned pages mostly impossible because isolate_migratepages_range() drops LRU lock periodically. Signed-off-by: Konstantin Khlebnikov Cc: stable # v3.8 --- mm/compaction.c |

[PATCH v2 3/6] mm/balloon_compaction: isolate balloon pages without lru_lock

2014-08-30 Thread Konstantin Khlebnikov
From: Konstantin Khlebnikov k.khlebni...@samsung.com LRU-lock isn't required for balloon page isolation. This check makes migration of some ballooned pages mostly impossible because isolate_migratepages_range() drops LRU lock periodically. Signed-off-by: Konstantin Khlebnikov