From: Michael Ellerman <mpe@ellerman.id.au>
To: Yury Norov <ynorov@caviumnetworks.com>,
Heiko Carstens <heiko.carstens@de.ibm.com>
Cc: Johannes Weiner <hannes@cmpxchg.org>,
Josef Bacik <josef@toxicpanda.com>,
Michal Hocko <mhocko@suse.com>,
Vladimir Davydov <vdavydov.dev@gmail.com>,
Andrew Morton <akpm@linux-foundation.org>,
Rik van Riel <riel@redhat.com>,
linux-mm@kvack.org, cgroups@vger.kernel.org,
linux-kernel@vger.kernel.org, kernel-team@fb.com,
linux-s390@vger.kernel.org
Subject: Re: [PATCH 2/6] mm: vmstat: move slab statistics from zone to node counters
Date: Thu, 01 Jun 2017 20:07:28 +1000 [thread overview]
Message-ID: <87mv9s2f8f.fsf@concordia.ellerman.id.au> (raw)
In-Reply-To: <20170531171151.e4zh7ffzbl4w33gd@yury-thinkpad>
Yury Norov <ynorov@caviumnetworks.com> writes:
> On Wed, May 31, 2017 at 01:39:00PM +0200, Heiko Carstens wrote:
>> On Wed, May 31, 2017 at 11:12:56AM +0200, Heiko Carstens wrote:
>> > On Tue, May 30, 2017 at 02:17:20PM -0400, Johannes Weiner wrote:
>> > > To re-implement slab cache vs. page cache balancing, we'll need the
>> > > slab counters at the lruvec level, which, ever since lru reclaim was
>> > > moved from the zone to the node, is the intersection of the node, not
>> > > the zone, and the memcg.
>> > >
>> > > We could retain the per-zone counters for when the page allocator
>> > > dumps its memory information on failures, and have counters on both
>> > > levels - which on all but NUMA node 0 is usually redundant. But let's
>> > > keep it simple for now and just move them. If anybody complains we can
>> > > restore the per-zone counters.
>> > >
>> > > Signed-off-by: Johannes Weiner <hannes@cmpxchg.org>
>> >
>> > This patch causes an early boot crash on s390 (linux-next as of today).
>> > CONFIG_NUMA on/off doesn't make any difference. I haven't looked any
>> > further into this yet, maybe you have an idea?
>
> The same on arm64.
And powerpc.
cheers
--
To unsubscribe, send a message with 'unsubscribe linux-mm' in
the body to majordomo@kvack.org. For more info on Linux MM,
see: http://www.linux-mm.org/ .
Don't email: <a href=mailto:"dont@kvack.org"> email@kvack.org </a>
next prev parent reply other threads:[~2017-06-01 10:07 UTC|newest]
Thread overview: 31+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-05-30 18:17 [PATCH 0/6] mm: per-lruvec slab stats Johannes Weiner
2017-05-30 18:17 ` [PATCH 1/6] mm: vmscan: delete unused pgdat_reclaimable_pages() Johannes Weiner
2017-05-30 21:50 ` Andrew Morton
2017-05-30 22:02 ` Johannes Weiner
2017-05-30 18:17 ` [PATCH 2/6] mm: vmstat: move slab statistics from zone to node counters Johannes Weiner
2017-05-31 9:12 ` Heiko Carstens
2017-05-31 11:39 ` Heiko Carstens
2017-05-31 17:11 ` Yury Norov
2017-06-01 10:07 ` Michael Ellerman [this message]
2017-06-05 18:35 ` Johannes Weiner
2017-06-05 21:38 ` Andrew Morton
2017-06-07 16:20 ` Johannes Weiner
2017-06-06 4:31 ` Michael Ellerman
2017-06-06 11:15 ` Michael Ellerman
2017-06-06 14:33 ` Johannes Weiner
2017-05-30 18:17 ` [PATCH 3/6] mm: memcontrol: use the node-native slab memory counters Johannes Weiner
2017-06-03 17:39 ` Vladimir Davydov
2017-05-30 18:17 ` [PATCH 4/6] mm: memcontrol: use generic mod_memcg_page_state for kmem pages Johannes Weiner
2017-06-03 17:40 ` Vladimir Davydov
2017-05-30 18:17 ` [PATCH 5/6] mm: memcontrol: per-lruvec stats infrastructure Johannes Weiner
2017-05-31 17:14 ` Johannes Weiner
2017-05-31 18:18 ` Andrew Morton
2017-05-31 19:02 ` Tony Lindgren
2017-05-31 22:03 ` Stephen Rothwell
2017-06-01 1:44 ` Johannes Weiner
2017-06-03 17:50 ` Vladimir Davydov
2017-06-05 17:53 ` Johannes Weiner
2017-05-30 18:17 ` [PATCH 6/6] mm: memcontrol: account slab stats per lruvec Johannes Weiner
2017-06-03 17:54 ` Vladimir Davydov
2017-06-05 16:52 ` [6/6] " Guenter Roeck
2017-06-05 17:52 ` Johannes Weiner
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=87mv9s2f8f.fsf@concordia.ellerman.id.au \
--to=mpe@ellerman.id.au \
--cc=akpm@linux-foundation.org \
--cc=cgroups@vger.kernel.org \
--cc=hannes@cmpxchg.org \
--cc=heiko.carstens@de.ibm.com \
--cc=josef@toxicpanda.com \
--cc=kernel-team@fb.com \
--cc=linux-kernel@vger.kernel.org \
--cc=linux-mm@kvack.org \
--cc=linux-s390@vger.kernel.org \
--cc=mhocko@suse.com \
--cc=riel@redhat.com \
--cc=vdavydov.dev@gmail.com \
--cc=ynorov@caviumnetworks.com \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).