From: Vlastimil Babka <vbabka@suse.cz>
To: Ralf-Peter Rohbeck <Ralf-Peter.Rohbeck@quantum.com>,
Joonsoo Kim <iamjoonsoo.kim@lge.com>
Cc: Michal Hocko <mhocko@suse.cz>, "linux-mm@kvack.org" <linux-mm@kvack.org>
Subject: Re: OOM killer changes
Date: Wed, 17 Aug 2016 11:20:31 +0200 [thread overview]
Message-ID: <082f48bf-dacd-b65d-7e48-8c56b1a9f805@suse.cz> (raw)
In-Reply-To: <a8e202e8-1906-c57a-b392-d1353b9190b6@Quantum.com>
On 08/17/2016 11:11 AM, Ralf-Peter Rohbeck wrote:
> On 17.08.2016 00:56, Vlastimil Babka wrote:
>> And I really wonder how did all those unmovable pageblocks happen.
>> AFAICS zoneinfo shows that most of memory is occupied by file lru pages.
>> These should be movable.
>
> Is it the pressure on the page cache? Don't forget that I write to some
> disk drives (recently, 2) at media speed with dd if=/dev/zero bs=4M
> of=/dev/SDX.
Hmm page cache should be movable. But maybe it's different for writing
to devices and not filesystems.
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next prev parent reply other threads:[~2016-08-17 9:20 UTC|newest]
Thread overview: 50+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <d8f3adcc-3607-1ef6-9ec5-82b2e125eef2@quantum.com>
2016-08-01 6:16 ` OOM killer changes Michal Hocko
[not found] ` <b1a39756-a0b5-1900-6575-d6e1f502cb26@Quantum.com>
[not found] ` <20160801182358.GB31957@dhcp22.suse.cz>
[not found] ` <30dbabc4-585c-55a5-9f3a-4e243c28356a@Quantum.com>
2016-08-01 19:26 ` Michal Hocko
2016-08-01 19:35 ` Ralf-Peter Rohbeck
2016-08-01 19:43 ` Michal Hocko
2016-08-01 19:52 ` Ralf-Peter Rohbeck
2016-08-01 20:09 ` Michal Hocko
2016-08-01 20:16 ` Ralf-Peter Rohbeck
2016-08-01 20:26 ` Michal Hocko
2016-08-01 21:14 ` Ralf-Peter Rohbeck
2016-08-01 21:27 ` Ralf-Peter Rohbeck
2016-08-02 7:10 ` Michal Hocko
2016-08-02 19:25 ` Ralf-Peter Rohbeck
2016-08-15 4:48 ` Ralf-Peter Rohbeck
2016-08-15 9:16 ` Vlastimil Babka
2016-08-15 15:01 ` Michal Hocko
2016-08-15 18:42 ` Ralf-Peter Rohbeck
2016-08-16 7:32 ` Michal Hocko
2016-08-16 7:43 ` Michal Hocko
2016-08-17 9:14 ` Ralf-Peter Rohbeck
2016-08-17 9:23 ` Vlastimil Babka
2016-08-17 9:28 ` Ralf-Peter Rohbeck
2016-08-17 9:33 ` Michal Hocko
2016-08-17 23:37 ` Ralf-Peter Rohbeck
2016-08-18 6:57 ` Vlastimil Babka
2016-08-18 20:01 ` Ralf-Peter Rohbeck
2016-08-18 20:12 ` Vlastimil Babka
2016-08-19 2:42 ` Ralf-Peter Rohbeck
2016-08-19 6:27 ` Vlastimil Babka
2016-08-19 7:33 ` Michal Hocko
2016-08-19 7:47 ` Vlastimil Babka
2016-08-19 8:26 ` Michal Hocko
2016-08-24 18:13 ` Ralf-Peter Rohbeck
2016-08-25 7:22 ` Michal Hocko
2016-08-25 20:35 ` Ralf-Peter Rohbeck
2016-08-26 8:35 ` Michal Hocko
2016-09-06 11:09 ` Vlastimil Babka
2016-08-23 5:02 ` Joonsoo Kim
2016-08-23 7:45 ` Michal Hocko
2016-08-17 0:26 ` Ralf-Peter Rohbeck
2016-08-17 7:43 ` Vlastimil Babka
2016-08-16 3:12 ` Joonsoo Kim
2016-08-16 7:44 ` Vlastimil Babka
2016-08-17 4:48 ` Ralf-Peter Rohbeck
2016-08-17 7:56 ` Vlastimil Babka
2016-08-17 8:16 ` Joonsoo Kim
2016-08-17 9:21 ` Ralf-Peter Rohbeck
2016-08-17 9:11 ` Ralf-Peter Rohbeck
2016-08-17 9:20 ` Vlastimil Babka [this message]
2016-08-02 7:11 ` Vlastimil Babka
2016-08-02 9:02 ` Michal Hocko
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