From: Christoph Lameter <cl@linux.com>
To: Joonsoo Kim <iamjoonsoo.kim@lge.com>
Cc: Pekka Enberg <penberg@kernel.org>,
Andrew Morton <akpm@linux-foundation.org>,
Joonsoo Kim <js1304@gmail.com>,
David Rientjes <rientjes@google.com>,
linux-mm@kvack.org, linux-kernel@vger.kernel.org,
Wanpeng Li <liwanp@linux.vnet.ibm.com>
Subject: Re: [PATCH v2 08/15] slab: use __GFP_COMP flag for allocating slab pages
Date: Thu, 17 Oct 2013 19:08:49 +0000 [thread overview]
Message-ID: <00000141c7d1fae0-ff132cb2-5485-4b8f-9b22-d4da27068681-000000@email.amazonses.com> (raw)
In-Reply-To: <1381913052-23875-9-git-send-email-iamjoonsoo.kim@lge.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
Acked-by: Christoph Lameter <cl@linux.com>
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next prev parent reply other threads:[~2013-10-17 19:08 UTC|newest]
Thread overview: 38+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-10-16 8:43 [PATCH v2 00/15] slab: overload struct slab over struct page to reduce memory usage Joonsoo Kim
2013-10-16 8:43 ` [PATCH v2 01/15] slab: correct pfmemalloc check Joonsoo Kim
2013-10-16 15:27 ` Christoph Lameter
2013-10-17 5:27 ` Joonsoo Kim
2013-10-16 8:43 ` [PATCH v2 02/15] slab: change return type of kmem_getpages() to struct page Joonsoo Kim
2013-10-16 8:44 ` [PATCH v2 03/15] slab: remove colouroff in struct slab Joonsoo Kim
2013-10-16 8:44 ` [PATCH v2 04/15] slab: remove nodeid " Joonsoo Kim
2013-10-17 19:05 ` Christoph Lameter
2013-10-16 8:44 ` [PATCH v2 05/15] slab: remove cachep in struct slab_rcu Joonsoo Kim
2013-10-16 8:44 ` [PATCH v2 06/15] slab: overloading the RCU head over the LRU for RCU free Joonsoo Kim
2013-10-16 8:44 ` [PATCH v2 07/15] slab: use well-defined macro, virt_to_slab() Joonsoo Kim
2013-10-16 8:44 ` [PATCH v2 08/15] slab: use __GFP_COMP flag for allocating slab pages Joonsoo Kim
2013-10-17 19:08 ` Christoph Lameter [this message]
2013-10-18 15:13 ` JoonSoo Kim
2013-10-16 8:44 ` [PATCH v2 09/15] slab: change the management method of free objects of the slab Joonsoo Kim
2013-10-16 8:44 ` [PATCH v2 10/15] slab: remove kmem_bufctl_t Joonsoo Kim
2013-10-16 8:44 ` [PATCH v2 11/15] slab: remove SLAB_LIMIT Joonsoo Kim
2013-10-17 19:09 ` Christoph Lameter
2013-10-16 8:44 ` [PATCH v2 12/15] slab: replace free and inuse in struct slab with newly introduced active Joonsoo Kim
2013-10-16 8:44 ` [PATCH v2 13/15] slab: use struct page for slab management Joonsoo Kim
2013-10-17 19:13 ` Christoph Lameter
2013-10-18 15:05 ` JoonSoo Kim
2013-10-20 18:05 ` Christoph Lameter
2013-10-30 8:28 ` Joonsoo Kim
2013-10-30 8:42 ` Pekka Enberg
2013-10-30 10:06 ` Joonsoo Kim
2013-10-16 8:44 ` [PATCH v2 14/15] slab: remove useless statement for checking pfmemalloc Joonsoo Kim
2013-10-16 8:44 ` [PATCH v2 15/15] slab: rename slab_bufctl to slab_freelist Joonsoo Kim
2013-10-16 20:34 ` [PATCH v2 00/15] slab: overload struct slab over struct page to reduce memory usage Andrew Morton
2013-10-17 6:01 ` Joonsoo Kim
2013-10-17 7:20 ` Pekka Enberg
2013-10-17 18:02 ` Christoph Lameter
2013-10-17 19:15 ` Christoph Lameter
2013-10-19 22:39 ` Andi Kleen
2013-10-19 22:41 ` Andi Kleen
2013-10-30 10:04 ` [PATCH v2 16/15] slab: fix to calm down kmemleak warning Joonsoo Kim
2013-10-30 10:04 ` [PATCH v2 17/15] slab: replace non-existing 'struct freelist *' with 'void *' Joonsoo Kim
2013-11-01 19:09 ` Christoph Lameter
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