From: Vlastimil Babka <vbabka-AlSwsSmVLrQ@public.gmane.org>
To: Christoph Lameter <cl-vYTEC60ixJUAvxtiuMwx3w@public.gmane.org>
Cc: David Rientjes <rientjes-hpIqsD4AKlfQT0dZR+AlfA@public.gmane.org>,
Andrew Morton
<akpm-de/tnXTf+JLsfHDXvbKv3WD2FQJk+8+b@public.gmane.org>,
Pekka Enberg <penberg-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org>,
Joonsoo Kim <iamjoonsoo.kim-Hm3cg6mZ9cc@public.gmane.org>,
Johannes Weiner <hannes-druUgvl0LCNAfugRpC6u6w@public.gmane.org>,
Mel Gorman <mgorman-l3A5Bk7waGM@public.gmane.org>,
Pravin Shelar <pshelar-l0M0P4e3n4LQT0dZR+AlfA@public.gmane.org>,
Jarno Rajahalme
<jrajahalme-l0M0P4e3n4LQT0dZR+AlfA@public.gmane.org>,
Li Zefan <lizefan-hv44wF8Li93QT0dZR+AlfA@public.gmane.org>,
Greg Thelen <gthelen-hpIqsD4AKlfQT0dZR+AlfA@public.gmane.org>,
linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
linux-mm-Bw31MaZKKs3YtjvyW6yDsg@public.gmane.org,
netdev-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
cgroups-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
dev-yBygre7rU0TnMu66kgdUjQ@public.gmane.org
Subject: Re: [patch v2 1/3] mm: remove GFP_THISNODE
Date: Mon, 02 Mar 2015 17:23:04 +0100 [thread overview]
Message-ID: <54F48E68.6070706@suse.cz> (raw)
In-Reply-To: <alpine.DEB.2.11.1503021007030.6245-gkYfJU5Cukgdnm+yROfE0A@public.gmane.org>
On 03/02/2015 05:08 PM, Christoph Lameter wrote:
> On Mon, 2 Mar 2015, Vlastimil Babka wrote:
>
>>> You are thinking about an opportunistic allocation attempt in SLAB?
>>>
>>> AFAICT SLAB allocations should trigger reclaim.
>>>
>>
>> Well, let me quote your commit 952f3b51beb5:
>
> This was about global reclaim. Local reclaim is good and that can be
> done via zone_reclaim.
Right, so the patch is a functional change for zone_reclaim_mode == 1,
where !__GFP_WAIT will prevent it.
WARNING: multiple messages have this Message-ID (diff)
From: Vlastimil Babka <vbabka@suse.cz>
To: Christoph Lameter <cl@linux.com>
Cc: David Rientjes <rientjes@google.com>,
Andrew Morton <akpm@linux-foundation.org>,
Pekka Enberg <penberg@kernel.org>,
Joonsoo Kim <iamjoonsoo.kim@lge.com>,
Johannes Weiner <hannes@cmpxchg.org>,
Mel Gorman <mgorman@suse.de>, Pravin Shelar <pshelar@nicira.com>,
Jarno Rajahalme <jrajahalme@nicira.com>,
Li Zefan <lizefan@huawei.com>, Greg Thelen <gthelen@google.com>,
linux-kernel@vger.kernel.org, linux-mm@kvack.org,
netdev@vger.kernel.org, cgroups@vger.kernel.org,
dev@openvswitch.org
Subject: Re: [patch v2 1/3] mm: remove GFP_THISNODE
Date: Mon, 02 Mar 2015 17:23:04 +0100 [thread overview]
Message-ID: <54F48E68.6070706@suse.cz> (raw)
In-Reply-To: <alpine.DEB.2.11.1503021007030.6245@gentwo.org>
On 03/02/2015 05:08 PM, Christoph Lameter wrote:
> On Mon, 2 Mar 2015, Vlastimil Babka wrote:
>
>>> You are thinking about an opportunistic allocation attempt in SLAB?
>>>
>>> AFAICT SLAB allocations should trigger reclaim.
>>>
>>
>> Well, let me quote your commit 952f3b51beb5:
>
> This was about global reclaim. Local reclaim is good and that can be
> done via zone_reclaim.
Right, so the patch is a functional change for zone_reclaim_mode == 1,
where !__GFP_WAIT will prevent it.
--
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WARNING: multiple messages have this Message-ID (diff)
From: Vlastimil Babka <vbabka@suse.cz>
To: Christoph Lameter <cl@linux.com>
Cc: David Rientjes <rientjes@google.com>,
Andrew Morton <akpm@linux-foundation.org>,
Pekka Enberg <penberg@kernel.org>,
Joonsoo Kim <iamjoonsoo.kim@lge.com>,
Johannes Weiner <hannes@cmpxchg.org>,
Mel Gorman <mgorman@suse.de>, Pravin Shelar <pshelar@nicira.com>,
Jarno Rajahalme <jrajahalme@nicira.com>,
Li Zefan <lizefan@huawei.com>, Greg Thelen <gthelen@google.com>,
linux-kernel@vger.kernel.org, linux-mm@kvack.org,
netdev@vger.kernel.org, cgroups@vger.kernel.org,
dev@openvswitch.org
Subject: Re: [patch v2 1/3] mm: remove GFP_THISNODE
Date: Mon, 02 Mar 2015 17:23:04 +0100 [thread overview]
Message-ID: <54F48E68.6070706@suse.cz> (raw)
In-Reply-To: <alpine.DEB.2.11.1503021007030.6245@gentwo.org>
On 03/02/2015 05:08 PM, Christoph Lameter wrote:
> On Mon, 2 Mar 2015, Vlastimil Babka wrote:
>
>>> You are thinking about an opportunistic allocation attempt in SLAB?
>>>
>>> AFAICT SLAB allocations should trigger reclaim.
>>>
>>
>> Well, let me quote your commit 952f3b51beb5:
>
> This was about global reclaim. Local reclaim is good and that can be
> done via zone_reclaim.
Right, so the patch is a functional change for zone_reclaim_mode == 1,
where !__GFP_WAIT will prevent it.
next prev parent reply other threads:[~2015-03-02 16:23 UTC|newest]
Thread overview: 50+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-02-26 0:23 [patch 1/2] mm: remove GFP_THISNODE David Rientjes
2015-02-26 0:23 ` David Rientjes
2015-02-26 0:56 ` Christoph Lameter
2015-02-26 0:56 ` Christoph Lameter
2015-02-26 1:04 ` David Rientjes
2015-02-26 1:04 ` David Rientjes
2015-02-26 8:30 ` Vlastimil Babka
2015-02-26 8:30 ` Vlastimil Babka
2015-02-27 3:09 ` David Rientjes
2015-02-27 3:09 ` David Rientjes
2015-02-27 7:34 ` Vlastimil Babka
2015-02-27 7:34 ` Vlastimil Babka
2015-02-27 22:03 ` David Rientjes
2015-02-27 22:03 ` David Rientjes
2015-02-27 22:19 ` Vlastimil Babka
2015-02-27 22:19 ` Vlastimil Babka
2015-02-27 22:31 ` David Rientjes
2015-02-27 22:31 ` David Rientjes
2015-02-27 22:52 ` Vlastimil Babka
2015-02-27 22:52 ` Vlastimil Babka
[not found] ` <alpine.DEB.2.10.1502251621010.10303-X6Q0R45D7oAcqpCFd4KODRPsWskHk0ljAL8bYrjMMd8@public.gmane.org>
2015-02-27 22:16 ` [patch v2 1/3] " David Rientjes
2015-02-27 22:16 ` David Rientjes
2015-02-27 22:16 ` David Rientjes
2015-02-27 22:17 ` [patch v2 2/3] mm, thp: really limit transparent hugepage allocation to local node David Rientjes
2015-02-27 22:17 ` David Rientjes
[not found] ` <alpine.DEB.2.10.1502271416580.7225-X6Q0R45D7oAcqpCFd4KODRPsWskHk0ljAL8bYrjMMd8@public.gmane.org>
2015-03-02 13:47 ` Vlastimil Babka
2015-03-02 13:47 ` Vlastimil Babka
2015-03-02 13:47 ` Vlastimil Babka
2015-02-27 22:17 ` [patch v2 3/3] kernel, cpuset: remove exception for __GFP_THISNODE David Rientjes
2015-02-27 22:17 ` David Rientjes
2015-03-02 13:47 ` Vlastimil Babka
2015-03-02 13:47 ` Vlastimil Babka
2015-02-27 22:53 ` [patch v2 1/3] mm: remove GFP_THISNODE Christoph Lameter
2015-02-27 22:53 ` Christoph Lameter
2015-02-28 3:21 ` David Rientjes
2015-02-28 3:21 ` David Rientjes
[not found] ` <alpine.DEB.2.10.1502271415510.7225-X6Q0R45D7oAcqpCFd4KODRPsWskHk0ljAL8bYrjMMd8@public.gmane.org>
2015-03-02 13:46 ` Vlastimil Babka
2015-03-02 13:46 ` Vlastimil Babka
2015-03-02 13:46 ` Vlastimil Babka
2015-03-02 15:46 ` Christoph Lameter
2015-03-02 15:46 ` Christoph Lameter
2015-03-02 16:02 ` Vlastimil Babka
2015-03-02 16:02 ` Vlastimil Babka
2015-03-02 16:08 ` Christoph Lameter
2015-03-02 16:08 ` Christoph Lameter
[not found] ` <alpine.DEB.2.11.1503021007030.6245-gkYfJU5Cukgdnm+yROfE0A@public.gmane.org>
2015-03-02 16:23 ` Vlastimil Babka [this message]
2015-03-02 16:23 ` Vlastimil Babka
2015-03-02 16:23 ` Vlastimil Babka
2015-03-02 20:40 ` David Rientjes
2015-03-02 20:40 ` David Rientjes
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