From: Andrea Arcangeli <aarcange@redhat.com>
To: Naoya Horiguchi <n-horiguchi@ah.jp.nec.com>
Cc: Andrew Morton <akpm@linux-foundation.org>,
Sasha Levin <levinsasha928@gmail.com>,
Hugh Dickins <hughd@google.com>,
linux-kernel@vger.kernel.org, linux-mm@kvack.org
Subject: Re: [PATCH] pagemap: fix order of pmd_trans_unstable() and pmd_trans_huge_lock()
Date: Thu, 29 Mar 2012 22:25:14 +0200 [thread overview]
Message-ID: <20120329202514.GC20930@redhat.com> (raw)
In-Reply-To: <1333010501-31218-1-git-send-email-n-horiguchi@ah.jp.nec.com>
Hi,
On Thu, Mar 29, 2012 at 04:41:41AM -0400, Naoya Horiguchi wrote:
> pmd_trans_unstable() in pagemap_pte_range() comes before pmd_trans_huge_lock()
> now, which means that pagewalk kicked by reading /proc/pid/pagemap does not
> run over thp. This patch fixes it.
This should be fixed already.
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next prev parent reply other threads:[~2012-03-29 20:25 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-03-29 8:41 Naoya Horiguchi
2012-03-29 20:25 ` Andrea Arcangeli [this message]
2012-03-29 22:53 ` Naoya Horiguchi
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