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From: Andrea Arcangeli <aarcange@redhat.com>
To: Hugh Dickins <hughd@google.com>
Cc: linux-mm@kvack.org, Marcelo Tosatti <mtosatti@redhat.com>,
	Johannes Weiner <jweiner@redhat.com>
Subject: Re: mm: do_wp_page recheck PageKsm after obtaining the page_lock, pte_same not enough
Date: Tue, 12 Jul 2011 19:53:24 +0200	[thread overview]
Message-ID: <20110712175324.GS23227@redhat.com> (raw)
In-Reply-To: <20110712165003.GP23227@redhat.com>

On Tue, Jul 12, 2011 at 06:50:03PM +0200, Andrea Arcangeli wrote:
> Hi Hugh,
> 
> what do you think about this?

Ah I just noticed it couldn't happen so you can ignore the previous
patch... a second check is indeed inside reuse_swap_page.

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      parent reply	other threads:[~2011-07-12 17:53 UTC|newest]

Thread overview: 4+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2011-07-12 16:50 mm: do_wp_page recheck PageKsm after obtaining the page_lock, pte_same not enough Andrea Arcangeli
2011-07-12 17:48 ` Nai Xia
2011-07-12 18:01   ` Andrea Arcangeli
2011-07-12 17:53 ` Andrea Arcangeli [this message]

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