From: Vlastimil Babka <vbabka@suse.cz>
To: Joonsoo Kim <iamjoonsoo.kim@lge.com>
Cc: Andrew Morton <akpm@linux-foundation.org>,
linux-mm@kvack.org, linux-kernel@vger.kernel.org,
Minchan Kim <minchan@kernel.org>, Mel Gorman <mgorman@suse.de>,
Michal Nazarewicz <mina86@mina86.com>,
Naoya Horiguchi <n-horiguchi@ah.jp.nec.com>,
Christoph Lameter <cl@linux.com>, Rik van Riel <riel@redhat.com>,
David Rientjes <rientjes@google.com>
Subject: Re: [PATCH 1/5] mm, compaction: pass classzone_idx and alloc_flags to watermark checking
Date: Mon, 27 Oct 2014 10:11:31 +0100 [thread overview]
Message-ID: <544E0C43.3030009@suse.cz> (raw)
In-Reply-To: <20141027064651.GA23379@js1304-P5Q-DELUXE>
On 10/27/2014 07:46 AM, Joonsoo Kim wrote:
> On Tue, Oct 07, 2014 at 05:33:35PM +0200, Vlastimil Babka wrote:
>
> Hello,
>
> compaction_suitable() has one more zone_watermark_ok(). Why is it
> unchanged?
Hi,
it's a check whether there are enough free pages to perform compaction,
which means enough migration targets and temporary copies during
migration. These allocations are not affected by the flags of the
process that makes the high-order allocation.
> Thanks.
>
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next prev parent reply other threads:[~2014-10-27 9:11 UTC|newest]
Thread overview: 30+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-10-07 15:33 [PATCH 0/5] Further compaction tuning Vlastimil Babka
2014-10-07 15:33 ` [PATCH 1/5] mm, compaction: pass classzone_idx and alloc_flags to watermark checking Vlastimil Babka
2014-10-20 15:45 ` Rik van Riel
2014-10-27 6:46 ` Joonsoo Kim
2014-10-27 9:11 ` Vlastimil Babka [this message]
2014-10-28 7:16 ` Joonsoo Kim
2014-10-29 13:51 ` Vlastimil Babka
2014-10-31 7:49 ` Joonsoo Kim
2014-11-14 8:52 ` Vlastimil Babka
2014-10-07 15:33 ` [PATCH 2/5] mm, compaction: simplify deferred compaction Vlastimil Babka
2014-10-15 22:32 ` Andrew Morton
2014-10-16 15:11 ` Vlastimil Babka
2014-10-07 15:33 ` [PATCH 3/5] mm, compaction: defer only on COMPACT_COMPLETE Vlastimil Babka
2014-10-20 15:18 ` Rik van Riel
2014-10-07 15:33 ` [PATCH 4/5] mm, compaction: always update cached scanner positions Vlastimil Babka
2014-10-20 15:26 ` Rik van Riel
2014-10-27 7:35 ` Joonsoo Kim
2014-10-27 9:39 ` Vlastimil Babka
2014-10-28 7:08 ` Joonsoo Kim
2014-10-31 15:53 ` Vlastimil Babka
2014-11-04 0:28 ` Joonsoo Kim
2014-11-14 8:57 ` Vlastimil Babka
2014-10-07 15:33 ` [PATCH 5/5] mm, compaction: more focused lru and pcplists draining Vlastimil Babka
2014-10-20 15:44 ` Rik van Riel
2014-10-27 7:41 ` Joonsoo Kim
2014-11-03 8:12 ` Vlastimil Babka
2014-11-04 0:37 ` Joonsoo Kim
2014-11-13 12:47 ` Vlastimil Babka
2014-11-14 7:05 ` Joonsoo Kim
2014-11-19 22:53 ` Vlastimil Babka
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