From: Marcelo Tosatti <mtosatti@redhat.com>
To: Christoph Lameter <cl@gentwo.org>
Cc: Li Zefan <lizefan@huawei.com>,
linux-mm@kvack.org, linux-kernel@vger.kernel.org,
Lai Jiangshan <laijs@cn.fujitsu.com>,
Mel Gorman <mgorman@suse.de>, Tejun Heo <tj@kernel.org>,
David Rientjes <rientjes@google.com>,
Andrew Morton <akpm@linux-foundation.org>
Subject: Re: [PATCH] page_alloc: skip cpuset enforcement for lower zone allocations (v3)
Date: Thu, 29 May 2014 15:46:49 -0300 [thread overview]
Message-ID: <20140529184649.GA20609@amt.cnet> (raw)
In-Reply-To: <alpine.DEB.2.10.1405281838370.6096@gentwo.org>
On Wed, May 28, 2014 at 06:45:04PM -0500, Christoph Lameter wrote:
<snip>
Much cleaner, sent v4 with your suggestions.
> Why call __alloc_pages_nodemask at all if you want to skip the node
> handling? Punt to alloc_pages()
- __alloc_pages_nodemask ignored GFP_DMA32 on older kernels, so the
interface should remain functional.
- There are others callers of alloc_pages(GFP_DMA) that can suffer
from the same problem.
- Mirrors mempolicy behaviour.
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WARNING: multiple messages have this Message-ID (diff)
From: Marcelo Tosatti <mtosatti@redhat.com>
To: Christoph Lameter <cl@gentwo.org>
Cc: Li Zefan <lizefan@huawei.com>,
linux-mm@kvack.org, linux-kernel@vger.kernel.org,
Lai Jiangshan <laijs@cn.fujitsu.com>,
Mel Gorman <mgorman@suse.de>, Tejun Heo <tj@kernel.org>,
David Rientjes <rientjes@google.com>,
Andrew Morton <akpm@linux-foundation.org>
Subject: Re: [PATCH] page_alloc: skip cpuset enforcement for lower zone allocations (v3)
Date: Thu, 29 May 2014 15:46:49 -0300 [thread overview]
Message-ID: <20140529184649.GA20609@amt.cnet> (raw)
In-Reply-To: <alpine.DEB.2.10.1405281838370.6096@gentwo.org>
On Wed, May 28, 2014 at 06:45:04PM -0500, Christoph Lameter wrote:
<snip>
Much cleaner, sent v4 with your suggestions.
> Why call __alloc_pages_nodemask at all if you want to skip the node
> handling? Punt to alloc_pages()
- __alloc_pages_nodemask ignored GFP_DMA32 on older kernels, so the
interface should remain functional.
- There are others callers of alloc_pages(GFP_DMA) that can suffer
from the same problem.
- Mirrors mempolicy behaviour.
next prev parent reply other threads:[~2014-05-29 18:52 UTC|newest]
Thread overview: 47+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-05-23 19:37 [PATCH] page_alloc: skip cpuset enforcement for lower zone allocations Marcelo Tosatti
2014-05-23 19:37 ` Marcelo Tosatti
2014-05-23 20:51 ` David Rientjes
2014-05-23 20:51 ` David Rientjes
[not found] ` <alpine.DEB.2.02.1405231334460.13205-X6Q0R45D7oAcqpCFd4KODRPsWskHk0ljAL8bYrjMMd8@public.gmane.org>
2014-05-23 23:33 ` Marcelo Tosatti
2014-05-23 23:33 ` Marcelo Tosatti
2014-05-23 23:33 ` Marcelo Tosatti
2014-05-26 18:53 ` [PATCH] page_alloc: skip cpuset enforcement for lower zone allocations (v2) Marcelo Tosatti
2014-05-26 18:53 ` Marcelo Tosatti
2014-05-28 7:02 ` Li Zefan
2014-05-28 7:02 ` Li Zefan
2014-05-28 22:43 ` [PATCH] page_alloc: skip cpuset enforcement for lower zone allocations (v3) Marcelo Tosatti
2014-05-28 22:43 ` Marcelo Tosatti
2014-05-28 23:45 ` Christoph Lameter
2014-05-28 23:45 ` Christoph Lameter
2014-05-29 18:46 ` Marcelo Tosatti [this message]
2014-05-29 18:46 ` Marcelo Tosatti
2014-05-29 18:43 ` [PATCH] page_alloc: skip cpuset enforcement for lower zone allocations (v4) Marcelo Tosatti
2014-05-29 18:43 ` Marcelo Tosatti
2014-05-29 22:40 ` Andrew Morton
2014-05-29 22:40 ` Andrew Morton
2014-05-29 23:01 ` David Rientjes
2014-05-29 23:01 ` David Rientjes
2014-05-29 23:12 ` Andrew Morton
2014-05-29 23:12 ` Andrew Morton
2014-05-30 13:48 ` Christoph Lameter
2014-05-30 13:48 ` Christoph Lameter
2014-05-30 21:43 ` Marcelo Tosatti
2014-05-30 21:43 ` Marcelo Tosatti
2014-05-29 23:28 ` [PATCH] page_alloc: skip cpuset enforcement for lower zone allocations (v5) Marcelo Tosatti
2014-05-29 23:28 ` Marcelo Tosatti
2014-05-29 23:54 ` David Rientjes
2014-05-29 23:54 ` David Rientjes
2014-05-30 13:12 ` Marcelo Tosatti
2014-05-30 13:12 ` Marcelo Tosatti
2014-05-30 13:50 ` Christoph Lameter
2014-05-30 13:50 ` Christoph Lameter
2014-05-30 21:18 ` Andi Kleen
2014-05-30 21:18 ` Andi Kleen
2014-05-27 14:21 ` [PATCH] page_alloc: skip cpuset enforcement for lower zone allocations Christoph Lameter
2014-05-27 14:21 ` Christoph Lameter
2014-05-27 14:53 ` Marcelo Tosatti
2014-05-27 14:53 ` Marcelo Tosatti
2014-05-27 14:57 ` Marcelo Tosatti
2014-05-27 14:57 ` Marcelo Tosatti
2014-05-27 15:31 ` Christoph Lameter
2014-05-27 15:31 ` Christoph Lameter
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