From: Christopher Lameter <cl@linux.com>
To: Andrew Morton <akpm@linux-foundation.org>
Cc: dclarke@blastwave.org, bugzilla-daemon@bugzilla.kernel.org,
Pekka Enberg <penberg@kernel.org>,
David Rientjes <rientjes@google.com>,
Joonsoo Kim <iamjoonsoo.kim@lge.com>,
linux-mm@kvack.org, Qian Cai <cai@lca.pw>,
longman@redhat.com
Subject: Re: [Bug 205937] New: BUG: unable to handle page fault for address: f3170000
Date: Thu, 26 Dec 2019 21:41:30 +0000 (UTC) [thread overview]
Message-ID: <alpine.DEB.2.21.1912262138010.24955@www.lameter.com> (raw)
In-Reply-To: <20191223141424.8a503e5b020c9c9f6c79e0b0@linux-foundation.org>
On Mon, 23 Dec 2019, Andrew Morton wrote:
> Guys, did we make recent changes in this area?
Yes the cgroup folks did. f.e.
commit 04f768a39d55967246c002aa66b407b3bfdd8269
Author: Waiman Long <longman@redhat.com>
Date: Mon Sep 23 15:33:46 2019 -0700
mm, slab: extend slab/shrink to shrink all memcg caches
Currently, a value of '1" is written to /sys/kernel/slab/<slab>/shrink
file to shrink the slab by flushing out all the per-cpu slabs and free
slabs in partial lists. This can be useful to squeeze out a bit more
memory under extreme condition as well as making the active object
counts
in /proc/slabinfo more accurate.
This usually applies only to the root caches, as the SLUB_ME
next prev parent reply other threads:[~2019-12-26 21:41 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <bug-205937-27@https.bugzilla.kernel.org/>
2019-12-23 22:14 ` Andrew Morton
2019-12-24 3:45 ` Dennis Clarke
2019-12-26 21:41 ` Christopher Lameter [this message]
2019-12-26 23:58 ` Roman Gushchin
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