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From: Ezequiel Garcia <elezegarcia@gmail.com>
To: David Rientjes <rientjes@google.com>
Cc: kernel-janitors@vger.kernel.org, linux-mm@kvack.org,
	fengguang.wu@intel.com, Pekka Enberg <penberg@kernel.org>
Subject: Re: [PATCH] mm/slab: Fix kmem_cache_alloc_node_trace() declaration
Date: Wed, 26 Sep 2012 07:09:17 -0300	[thread overview]
Message-ID: <CALF0-+UZj-cunn-+AW0N6_oi1j9VFH8btKV1pvhjtVFiVsE1yQ@mail.gmail.com> (raw)
In-Reply-To: <alpine.DEB.2.00.1209252115000.28360@chino.kir.corp.google.com>

Hi David,

On Wed, Sep 26, 2012 at 1:18 AM, David Rientjes <rientjes@google.com> wrote:
> On Tue, 25 Sep 2012, Ezequiel Garcia wrote:
>
>> The bug was introduced in commit 4052147c0afa
>> "mm, slab: Match SLAB and SLUB kmem_cache_alloc_xxx_trace() prototype".
>>
>
> This isn't a candidate for kernel-janitors@vger.kernel.org, these are
> patches that are one of Pekka's branches and would never make it to Linus'
> tree in this form.
>
>> Cc: Pekka Enberg <penberg@kernel.org>
>> Reported-by: Fengguang Wu <fengguang.wu@intel.com>
>> Signed-off-by: Ezequiel Garcia <elezegarcia@gmail.com>
>
> Acked-by: David Rientjes <rientjes@google.com>
>
> So now we have this for SLAB:
>
> extern void *kmem_cache_alloc_node_trace(size_t size,
>                                          struct kmem_cache *cachep,
>                                          gfp_t flags,
>                                          int nodeid);
>
> and this for SLUB:
>
> extern void *kmem_cache_alloc_node_trace(struct kmem_cache *s,
>                                          gfp_t gfpflags,
>                                          int node, size_t size);
>
> Would you like to send a follow-up patch to make these the same?  (My
> opinion is that the SLUB variant is the correct order.)

Yes. I just asked Pekka to revert this patch altogether.
The original patch was meant to match SLAB and SLUB, and this
fix should maintain that. But instead I fix it the wrong way.

I'll send another one.

Sorry for the mess,
Ezequiel.

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  parent reply	other threads:[~2012-09-26 10:09 UTC|newest]

Thread overview: 9+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2012-09-25 11:07 [PATCH] mm/slab: Fix typo _RET_IP -> _RET_IP_ Ezequiel Garcia
2012-09-25 11:07 ` [PATCH] mm/slab: Fix kmem_cache_alloc_node_trace() declaration Ezequiel Garcia
2012-09-26  4:18   ` David Rientjes
2012-09-26  6:34     ` Dan Carpenter
2012-09-26 10:09     ` Ezequiel Garcia [this message]
2012-09-26 10:42       ` Pekka Enberg
2012-09-26 10:46         ` Ezequiel Garcia
2012-09-26 10:04   ` Ezequiel Garcia
2012-09-26  4:13 ` [PATCH] mm/slab: Fix typo _RET_IP -> _RET_IP_ David Rientjes

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