linux-kernel - Re: [PATCH v2 08/15] slab: use __GFP_COMP flag for allocating slab pages

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Message-ID: <CAAmzW4PXifdn9YKG0YNmbS_Zn6-DsTqAiT5=_up2+jzTpz=8bw@mail.gmail.com>
Date:	Sat, 19 Oct 2013 00:13:34 +0900
From:	JoonSoo Kim <js1304@...il.com>
To:	Christoph Lameter <cl@...ux.com>
Cc:	Joonsoo Kim <iamjoonsoo.kim@....com>,
	Pekka Enberg <penberg@...nel.org>,
	Andrew Morton <akpm@...ux-foundation.org>,
	David Rientjes <rientjes@...gle.com>,
	Linux Memory Management List <linux-mm@...ck.org>,
	LKML <linux-kernel@...r.kernel.org>,
	Wanpeng Li <liwanp@...ux.vnet.ibm.com>
Subject: Re: [PATCH v2 08/15] slab: use __GFP_COMP flag for allocating slab pages

2013/10/18 Christoph Lameter <cl@...ux.com>:
> On Wed, 16 Oct 2013, Joonsoo Kim wrote:
>
>> If we use 'struct page' of first page as 'struct slab', there is no
>> advantage not to use __GFP_COMP. So use __GFP_COMP flag for all the cases.
>
> Yes this is going to make the allocators behave in the same way. We could
> actually put some of the page allocator related functionality in
> slab_common.c

Okay. After merging this, I will try to clean-up that.

> Acked-by: Christoph Lameter <cl@...ux.com>

Thanks.
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