From: Christoph Lameter <cl@gentwo.org>
To: Vladimir Davydov <vdavydov@parallels.com>
Cc: akpm@linux-foundation.org, iamjoonsoo.kim@lge.com,
rientjes@google.com, penberg@kernel.org, hannes@cmpxchg.org,
mhocko@suse.cz, linux-kernel@vger.kernel.org, linux-mm@kvack.org
Subject: Re: [PATCH -mm v2 7/8] slub: make dead memcg caches discard free slabs immediately
Date: Fri, 6 Jun 2014 09:48:20 -0500 (CDT) [thread overview]
Message-ID: <alpine.DEB.2.10.1406060948040.32229@gentwo.org> (raw)
In-Reply-To: <3b53266b76556dd042bbf6147207c70473572a7e.1402060096.git.vdavydov@parallels.com>
On Fri, 6 Jun 2014, Vladimir Davydov wrote:
> Since a dead memcg cache is destroyed only after the last slab allocated
> to it is freed, we must disable caching of empty slabs for such caches,
> otherwise they will be hanging around forever.
Acked-by: Christoph Lameter <cl@linux.com>
WARNING: multiple messages have this Message-ID (diff)
From: Christoph Lameter <cl@gentwo.org>
To: Vladimir Davydov <vdavydov@parallels.com>
Cc: akpm@linux-foundation.org, iamjoonsoo.kim@lge.com,
rientjes@google.com, penberg@kernel.org, hannes@cmpxchg.org,
mhocko@suse.cz, linux-kernel@vger.kernel.org, linux-mm@kvack.org
Subject: Re: [PATCH -mm v2 7/8] slub: make dead memcg caches discard free slabs immediately
Date: Fri, 6 Jun 2014 09:48:20 -0500 (CDT) [thread overview]
Message-ID: <alpine.DEB.2.10.1406060948040.32229@gentwo.org> (raw)
In-Reply-To: <3b53266b76556dd042bbf6147207c70473572a7e.1402060096.git.vdavydov@parallels.com>
On Fri, 6 Jun 2014, Vladimir Davydov wrote:
> Since a dead memcg cache is destroyed only after the last slab allocated
> to it is freed, we must disable caching of empty slabs for such caches,
> otherwise they will be hanging around forever.
Acked-by: Christoph Lameter <cl@linux.com>
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next prev parent reply other threads:[~2014-06-06 14:48 UTC|newest]
Thread overview: 60+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-06-06 13:22 [PATCH -mm v2 0/8] memcg/slab: reintroduce dead cache self-destruction Vladimir Davydov
2014-06-06 13:22 ` Vladimir Davydov
2014-06-06 13:22 ` [PATCH -mm v2 1/8] memcg: cleanup memcg_cache_params refcnt usage Vladimir Davydov
2014-06-06 13:22 ` Vladimir Davydov
2014-06-06 13:22 ` [PATCH -mm v2 2/8] memcg: destroy kmem caches when last slab is freed Vladimir Davydov
2014-06-06 13:22 ` Vladimir Davydov
2014-06-06 13:22 ` [PATCH -mm v2 3/8] memcg: mark caches that belong to offline memcgs as dead Vladimir Davydov
2014-06-06 13:22 ` Vladimir Davydov
2014-06-10 7:48 ` Joonsoo Kim
2014-06-10 7:48 ` Joonsoo Kim
2014-06-10 10:06 ` Vladimir Davydov
2014-06-10 10:06 ` Vladimir Davydov
2014-06-06 13:22 ` [PATCH -mm v2 4/8] slub: don't fail kmem_cache_shrink if slab placement optimization fails Vladimir Davydov
2014-06-06 13:22 ` Vladimir Davydov
2014-06-06 13:22 ` [PATCH -mm v2 5/8] slub: make slab_free non-preemptable Vladimir Davydov
2014-06-06 13:22 ` Vladimir Davydov
2014-06-06 14:46 ` Christoph Lameter
2014-06-06 14:46 ` Christoph Lameter
2014-06-09 12:52 ` Vladimir Davydov
2014-06-09 12:52 ` Vladimir Davydov
2014-06-09 13:52 ` Christoph Lameter
2014-06-09 13:52 ` Christoph Lameter
2014-06-12 6:58 ` Joonsoo Kim
2014-06-12 6:58 ` Joonsoo Kim
2014-06-12 10:03 ` Vladimir Davydov
2014-06-12 10:03 ` Vladimir Davydov
2014-06-06 13:22 ` [PATCH -mm v2 6/8] memcg: wait for kfree's to finish before destroying cache Vladimir Davydov
2014-06-06 13:22 ` Vladimir Davydov
2014-06-06 13:22 ` [PATCH -mm v2 7/8] slub: make dead memcg caches discard free slabs immediately Vladimir Davydov
2014-06-06 13:22 ` Vladimir Davydov
2014-06-06 14:48 ` Christoph Lameter [this message]
2014-06-06 14:48 ` Christoph Lameter
2014-06-10 8:09 ` Joonsoo Kim
2014-06-10 8:09 ` Joonsoo Kim
2014-06-10 10:09 ` Vladimir Davydov
2014-06-10 10:09 ` Vladimir Davydov
2014-06-06 13:22 ` [PATCH -mm v2 8/8] slab: " Vladimir Davydov
2014-06-06 13:22 ` Vladimir Davydov
2014-06-06 14:52 ` Christoph Lameter
2014-06-06 14:52 ` Christoph Lameter
2014-06-09 13:04 ` Vladimir Davydov
2014-06-09 13:04 ` Vladimir Davydov
2014-06-10 7:43 ` Joonsoo Kim
2014-06-10 7:43 ` Joonsoo Kim
2014-06-10 10:03 ` Vladimir Davydov
2014-06-10 10:03 ` Vladimir Davydov
2014-06-10 14:26 ` Christoph Lameter
2014-06-10 14:26 ` Christoph Lameter
2014-06-10 15:18 ` Vladimir Davydov
2014-06-10 15:18 ` Vladimir Davydov
2014-06-11 8:11 ` Joonsoo Kim
2014-06-11 8:11 ` Joonsoo Kim
2014-06-11 21:24 ` Vladimir Davydov
2014-06-11 21:24 ` Vladimir Davydov
2014-06-12 6:53 ` Joonsoo Kim
2014-06-12 6:53 ` Joonsoo Kim
2014-06-12 10:02 ` Vladimir Davydov
2014-06-12 10:02 ` Vladimir Davydov
2014-06-13 16:34 ` Christoph Lameter
2014-06-13 16:34 ` Christoph Lameter
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