From: Andi Kleen <andi@firstfloor.org>
To: Hugh Dickins <hugh.dickins@tiscali.co.uk>
Cc: Andi Kleen <andi@firstfloor.org>,
Wu Fengguang <fengguang.wu@intel.com>,
Izik Eidus <ieidus@redhat.com>,
Andrew Morton <akpm@linux-foundation.org>,
linux-kernel@vger.kernel.org
Subject: Re: [PATCH] hwpoison: fix oops on ksm pages
Date: Tue, 13 Oct 2009 17:43:56 +0200 [thread overview]
Message-ID: <20091013154356.GA2127@basil.fritz.box> (raw)
In-Reply-To: <Pine.LNX.4.64.0910131451280.4698@sister.anvils>
On Tue, Oct 13, 2009 at 03:02:11PM +0100, Hugh Dickins wrote:
> Memory failure on a KSM page currently oopses on its NULL anon_vma in
> page_lock_anon_vma(): that may not be much worse than the consequence
> of ignoring it, but it is better to be consistent with how ZERO_PAGE
> and hugetlb pages and other awkward cases are treated. Just skip it.
Thanks, Hugh. I'm curious: did this come out of code review or
did you actually run into that?
-Andi
--
ak@linux.intel.com -- Speaking for myself only.
next prev parent reply other threads:[~2009-10-13 15:44 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-10-13 14:02 [PATCH] hwpoison: fix oops on ksm pages Hugh Dickins
2009-10-13 15:43 ` Andi Kleen [this message]
2009-10-13 18:03 ` Hugh Dickins
[not found] <i>
2009-10-22 6:02 ` HWPOISON updates for 2.6.32-rc5 for review Andi Kleen
2009-10-22 6:02 ` [PATCH] HWPOISON: Clean up PR_MCE_KILL interface Andi Kleen
2009-10-22 6:02 ` [PATCH] HWPOISON: Add brief hwpoison description to Documentation Andi Kleen
2009-10-22 6:02 ` [PATCH] HWPOISON: return early on non-LRU pages Andi Kleen
2009-10-22 6:02 ` [PATCH] HWPOISON: Fix page count leak in hwpoison late kill in do_swap_page Andi Kleen
2009-10-22 6:02 ` [PATCH] HWPOISON: fix oops on ksm pages Andi Kleen
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