On Fri, Dec 28, 2012 at 5:01 PM, Linus Torvalds
[off-list ref] wrote:

On Fri, Dec 28, 2012 at 9:07 AM,  [off-list ref] wrote:

quoted

From: Christoffer Dall <redacted>

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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