On Fri, Dec 28, 2012 at 5:01 PM, Linus Torvalds
<torva...@linux-foundation.org> wrote:
> On Fri, Dec 28, 2012 at 9:07 AM, <c.d...@virtualopensystems.com> wrote:
>> From: Christoffer Dall <cd...@cs.columbia.edu>
>>
>> Unfortunately with !CONFIG_PAGEFLAGS_EXTENDED, (!PageHead) is false, and
>> (PageHead) is true, for tail pages. This breaks cache cleaning on some
>> ARM systems, and may cause other bugs.
>
> So this already got committed earlier as commit ad4b3fb7ff99 ("mm: Fix
> PageHead when !CONFIG_PAGEFLAGS_EXTENDED")
>
> Linus
Sorry about the noise then, thanks.
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