From: Linus Torvalds <torvalds@linux-foundation.org>
To: c.dall@virtualopensystems.com
Cc: linux-mm <linux-mm@kvack.org>,
Linux Kernel Mailing List <linux-kernel@vger.kernel.org>,
Christoph Lameter <cl@linux.com>,
Christoffer Dall <cdall@cs.columbia.edu>,
Steve Capper <steve.capper@arm.com>,
Will Deacon <will.deacon@arm.com>,
Andrea Arcangeli <arcange@redhat.com>
Subject: Re: [PATCH] mm: Fix PageHead when !CONFIG_PAGEFLAGS_EXTENDED
Date: Fri, 28 Dec 2012 14:01:06 -0800 [thread overview]
Message-ID: <CA+55aFzaQqe4YEqfJVxwUPW8RyrwZKGzQz6ieFKO_UU=yrnPVA@mail.gmail.com> (raw)
In-Reply-To: <1356714442-27028-1-git-send-email-cdall@cs.columbia.edu>
On Fri, Dec 28, 2012 at 9:07 AM, <c.dall@virtualopensystems.com> wrote:
> From: Christoffer Dall <cdall@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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next prev parent reply other threads:[~2012-12-28 22:01 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-12-28 17:07 c.dall
2012-12-28 17:18 ` [PATCH v2] " cdall
2012-12-28 22:01 ` Linus Torvalds [this message]
2012-12-28 22:20 ` [PATCH] " Christoffer Dall
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