linux-kernel - Re: [PATCH] pagemap: fix order of pmd_trans_unstable() and pmd_trans_huge

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-ID: <20120329202514.GC20930@redhat.com>
Date:	Thu, 29 Mar 2012 22:25:14 +0200
From:	Andrea Arcangeli <aarcange@...hat.com>
To:	Naoya Horiguchi <n-horiguchi@...jp.nec.com>
Cc:	Andrew Morton <akpm@...ux-foundation.org>,
	Sasha Levin <levinsasha928@...il.com>,
	Hugh Dickins <hughd@...gle.com>, linux-kernel@...r.kernel.org,
	linux-mm@...ck.org
Subject: Re: [PATCH] pagemap: fix order of pmd_trans_unstable() and
 pmd_trans_huge_lock()

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.
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/