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From: Ralf Baechle <ralf@linux-mips.org>
To: Jovi Zhang <bookjovi@gmail.com>
Cc: Andrew Morton <akpm@linux-foundation.org>,
	Andrea Arcangeli <aarcange@redhat.com>,
	linux-mips@linux-mips.org, Youquan Song <youquan.song@intel.com>,
	Andi Kleen <andi@firstfloor.org>,
	LKML <linux-kernel@vger.kernel.org>,
	stable@vger.kernel.org
Subject: Re: [PATCH] MIPS/mm: add compound tail page _mapcount when mapped
Date: Fri, 24 Aug 2012 15:23:11 +0200	[thread overview]
Message-ID: <20120824132311.GG10439@linux-mips.org> (raw)
In-Reply-To: <CACV3sb+nocqeDiM+4m+hv1ygu=KAxD6CpR5wQmawkKMdAuXbgA@mail.gmail.com>

On Wed, Aug 22, 2012 at 11:02:34AM +0800, Jovi Zhang wrote:

> see commit b6999b191 which target for x86 mm/gup, let it align with
> mips architecture.
> 
> Quote from commit b6999b191:
>     "If compound pages are used and the page is a
>     tail page, gup_huge_pmd() increases _mapcount to record tail page are
>     mapped while gup_huge_pud does not do that."

Thanks, applied and also acked' for -stable.

Note the patch got linewrapped along the way but it's trivial enough to be
fixed up.

  Ralf

      reply	other threads:[~2012-08-24 13:23 UTC|newest]

Thread overview: 3+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2012-08-22  3:02 [PATCH] MIPS/mm: add compound tail page _mapcount when mapped Jovi Zhang
2012-08-22  3:02 ` Jovi Zhang
2012-08-24 13:23 ` Ralf Baechle [this message]

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