linux-kernel - Re: [PATCH 1/3] mm/slob: Drop usage of page->private for storing page-sized allocations

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Date:	Fri, 19 Oct 2012 09:31:39 -0300
From:	Ezequiel Garcia <elezegarcia@...il.com>
To:	David Rientjes <rientjes@...gle.com>
Cc:	linux-mm@...ck.org, linux-kernel@...r.kernel.org,
	Tim Bird <tim.bird@...sony.com>,
	Pekka Enberg <penberg@...nel.org>,
	Matt Mackall <mpm@...enic.com>
Subject: Re: [PATCH 1/3] mm/slob: Drop usage of page->private for storing
 page-sized allocations

On Thu, Oct 18, 2012 at 7:46 PM, David Rientjes <rientjes@...gle.com> wrote:
> On Thu, 18 Oct 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).
>>
>> Cc: Pekka Penberg <penberg@...nel.org>
>
> Is Pekka Penberg the long distant cousin of Pekka Enberg? :)  You should
> probably cc the author of slob, Matt Mackall <mpm@...enic.com>, on slob
> patches.
>

Ouch! ;-)

I found another typo so I'll just re-send the whole patchset.

Thanks for the review!

    Ezequiel
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