From: Ezequiel Garcia <elezegarcia@gmail.com>
To: Christoph Lameter <cl@linux.com>
Cc: linux-mm@kvack.org, Pekka Enberg <penberg@kernel.org>,
Glauber Costa <glommer@parallels.com>
Subject: Re: [PATCH] mm, slob: Drop usage of page->private for storing page-sized allocations
Date: Wed, 15 Aug 2012 08:38:12 -0300 [thread overview]
Message-ID: <CALF0-+XcmmeWr4qjDoKGit7fqyWwpCk_S9v+F18+x9heN9Y1oA@mail.gmail.com> (raw)
In-Reply-To: <0000013926e9f534-137f9d40-77b0-4dbc-90cb-d588c68e9526-000000@email.amazonses.com>
Hi Christoph,
On Tue, Aug 14, 2012 at 5:53 PM, Christoph Lameter <cl@linux.com> wrote:
> On Tue, 14 Aug 2012, Ezequiel Garcia wrote:
>
>> This field was being used to store size allocation so it could be
>> retrieved by ksize(). However, it is a bad practice to not mark a page
>> as a slab page and then use fields for special purposes.
>> There is no need to store the allocated size and
>> ksize() can simply return PAGE_SIZE << compound_order(page).
>
> Acked-by: Christoph Lameter <cl@linux.com>
>
Who's the slob maintainer? Currently MAINTAINERS file
mentions slob's author Matt Mackal, but I didn't notice his presence
in this ML.
Thanks,
Ezequiel.
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next prev parent reply other threads:[~2012-08-15 11:38 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-08-14 20:03 [PATCH] mm, slob: Drop usage of page->private for storing page-sized allocations Ezequiel Garcia
2012-08-14 20:53 ` Christoph Lameter
2012-08-15 11:38 ` Ezequiel Garcia [this message]
2012-08-15 11:42 ` Pekka Enberg
2012-08-15 11:45 ` Ezequiel Garcia
2012-08-15 14:04 ` Christoph Lameter
2012-08-15 11:43 ` Pekka Enberg
2012-09-03 21:13 ` Ezequiel Garcia
2012-09-04 7:28 ` Pekka Enberg
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