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
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