From: Glauber Costa <glommer-bzQdu9zFT3WakBO8gow8eQ@public.gmane.org>
To: Christoph Lameter <cl-vYTEC60ixJUAvxtiuMwx3w@public.gmane.org>
Cc: James Bottomley
<James.Bottomley-d9PhHud1JfjCXq6kfMZ53/egYHeGw8Jk@public.gmane.org>,
David Rientjes <rientjes-hpIqsD4AKlfQT0dZR+AlfA@public.gmane.org>,
linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
cgroups-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
linux-mm-Bw31MaZKKs3YtjvyW6yDsg@public.gmane.org,
Pekka Enberg <penberg-bbCR+/B0CizivPeTLB3BmA@public.gmane.org>
Subject: Re: [PATCH] slab+slob: dup name string
Date: Wed, 23 May 2012 19:15:52 +0400 [thread overview]
Message-ID: <4FBCFF28.8080703@parallels.com> (raw)
In-Reply-To: <alpine.DEB.2.00.1205231012330.30940-sBS69tsa9Uj/9pzu0YdTqQ@public.gmane.org>
On 05/23/2012 07:17 PM, Christoph Lameter wrote:
>> So if I understand it correctly, this is mostly because the name string
>> > outlives the cache in the slub case, because of merging ?
> Well this means we really only need the copying in slub which we already
> have.
>
> The problem is that you want to make this behavior uniform over all
> allocators so that you do not have to allocate the string on your own.
>
> Could you wait (and not rely on copying) until I am through with the
> extraction project for common code for the allocators? At that point we
> can resolve this issue consistently for all allocators.
>
Yes, I can.
Let's just defer this for now.
WARNING: multiple messages have this Message-ID (diff)
From: Glauber Costa <glommer@parallels.com>
To: Christoph Lameter <cl@linux.com>
Cc: James Bottomley <James.Bottomley@HansenPartnership.com>,
David Rientjes <rientjes@google.com>,
linux-kernel@vger.kernel.org, cgroups@vger.kernel.org,
linux-mm@kvack.org, Pekka Enberg <penberg@cs.helsinki.fi>
Subject: Re: [PATCH] slab+slob: dup name string
Date: Wed, 23 May 2012 19:15:52 +0400 [thread overview]
Message-ID: <4FBCFF28.8080703@parallels.com> (raw)
In-Reply-To: <alpine.DEB.2.00.1205231012330.30940@router.home>
On 05/23/2012 07:17 PM, Christoph Lameter wrote:
>> So if I understand it correctly, this is mostly because the name string
>> > outlives the cache in the slub case, because of merging ?
> Well this means we really only need the copying in slub which we already
> have.
>
> The problem is that you want to make this behavior uniform over all
> allocators so that you do not have to allocate the string on your own.
>
> Could you wait (and not rely on copying) until I am through with the
> extraction project for common code for the allocators? At that point we
> can resolve this issue consistently for all allocators.
>
Yes, I can.
Let's just defer this for now.
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WARNING: multiple messages have this Message-ID (diff)
From: Glauber Costa <glommer@parallels.com>
To: Christoph Lameter <cl@linux.com>
Cc: James Bottomley <James.Bottomley@HansenPartnership.com>,
David Rientjes <rientjes@google.com>,
<linux-kernel@vger.kernel.org>, <cgroups@vger.kernel.org>,
<linux-mm@kvack.org>, Pekka Enberg <penberg@cs.helsinki.fi>
Subject: Re: [PATCH] slab+slob: dup name string
Date: Wed, 23 May 2012 19:15:52 +0400 [thread overview]
Message-ID: <4FBCFF28.8080703@parallels.com> (raw)
In-Reply-To: <alpine.DEB.2.00.1205231012330.30940@router.home>
On 05/23/2012 07:17 PM, Christoph Lameter wrote:
>> So if I understand it correctly, this is mostly because the name string
>> > outlives the cache in the slub case, because of merging ?
> Well this means we really only need the copying in slub which we already
> have.
>
> The problem is that you want to make this behavior uniform over all
> allocators so that you do not have to allocate the string on your own.
>
> Could you wait (and not rely on copying) until I am through with the
> extraction project for common code for the allocators? At that point we
> can resolve this issue consistently for all allocators.
>
Yes, I can.
Let's just defer this for now.
next prev parent reply other threads:[~2012-05-23 15:15 UTC|newest]
Thread overview: 47+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-05-21 15:18 [PATCH] slab+slob: dup name string Glauber Costa
2012-05-21 15:18 ` Glauber Costa
[not found] ` <1337613539-29108-1-git-send-email-glommer-bzQdu9zFT3WakBO8gow8eQ@public.gmane.org>
2012-05-21 15:35 ` Christoph Lameter
2012-05-21 15:35 ` Christoph Lameter
2012-05-21 15:35 ` Christoph Lameter
2012-05-22 3:22 ` David Rientjes
2012-05-22 3:22 ` David Rientjes
2012-05-22 7:23 ` Glauber Costa
2012-05-22 7:23 ` Glauber Costa
2012-05-22 9:45 ` Glauber Costa
2012-05-22 9:45 ` Glauber Costa
2012-05-22 13:56 ` Christoph Lameter
2012-05-22 13:56 ` Christoph Lameter
2012-05-22 15:19 ` Glauber Costa
2012-05-22 15:19 ` Glauber Costa
[not found] ` <4FBBAE95.6080608-bzQdu9zFT3WakBO8gow8eQ@public.gmane.org>
2012-05-22 17:16 ` Christoph Lameter
2012-05-22 17:16 ` Christoph Lameter
2012-05-22 17:16 ` Christoph Lameter
2012-05-22 22:31 ` David Rientjes
2012-05-22 22:31 ` David Rientjes
2012-05-23 11:46 ` James Bottomley
2012-05-23 11:46 ` James Bottomley
2012-05-23 12:08 ` Glauber Costa
2012-05-23 12:08 ` Glauber Costa
[not found] ` <4FBCD328.6060406-bzQdu9zFT3WakBO8gow8eQ@public.gmane.org>
2012-05-23 12:24 ` James Bottomley
2012-05-23 12:24 ` James Bottomley
2012-05-23 12:24 ` James Bottomley
2012-05-23 14:48 ` Christoph Lameter
2012-05-23 14:48 ` Christoph Lameter
[not found] ` <alpine.DEB.2.00.1205230947490.30940-sBS69tsa9Uj/9pzu0YdTqQ@public.gmane.org>
2012-05-23 14:50 ` Glauber Costa
2012-05-23 14:50 ` Glauber Costa
2012-05-23 14:50 ` Glauber Costa
[not found] ` <4FBCF951.3040105-bzQdu9zFT3WakBO8gow8eQ@public.gmane.org>
2012-05-24 0:18 ` Dave Chinner
2012-05-24 0:18 ` Dave Chinner
2012-05-24 0:18 ` Dave Chinner
2012-05-24 12:06 ` Glauber Costa
2012-05-24 12:06 ` Glauber Costa
2012-05-23 15:01 ` Glauber Costa
2012-05-23 15:01 ` Glauber Costa
[not found] ` <4FBCFBE0.2080803-bzQdu9zFT3WakBO8gow8eQ@public.gmane.org>
2012-05-23 15:17 ` Christoph Lameter
2012-05-23 15:17 ` Christoph Lameter
2012-05-23 15:17 ` Christoph Lameter
[not found] ` <alpine.DEB.2.00.1205231012330.30940-sBS69tsa9Uj/9pzu0YdTqQ@public.gmane.org>
2012-05-23 15:15 ` Glauber Costa [this message]
2012-05-23 15:15 ` Glauber Costa
2012-05-23 15:15 ` Glauber Costa
2012-05-23 13:48 ` Christoph Lameter
2012-05-23 13:48 ` Christoph Lameter
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