From: Hugh Dickins <hughd@google.com>
To: Andrea Arcangeli <aarcange@redhat.com>
Cc: Linus Torvalds <torvalds@linux-foundation.org>,
Greg KH <greg@kroah.com>,
Andrew Morton <akpm@linux-foundation.org>,
Rik van Riel <riel@redhat.com>,
linux-mm@kvack.org
Subject: Re: [PATCH] fix swapin race condition
Date: Sun, 19 Sep 2010 19:35:34 -0700 (PDT) [thread overview]
Message-ID: <alpine.LSU.2.00.1009191924110.2779@sister.anvils> (raw)
In-Reply-To: <20100918131907.GI18596@random.random>
On Sat, 18 Sep 2010, Andrea Arcangeli wrote:
> On Thu, Sep 16, 2010 at 07:31:57PM -0700, Hugh Dickins wrote:
> >
> > Here's what I think can happen: you may shame me by shooting it down
> > immediately, but go ahead!
>
> Can't shoot it. This definitely helped. My previous scenario only
> involved threads, so I was only thinking at threads...
Thanks a lot for going through it.
> > B ought to have checked that page1's swap was still swap1.
>
> I suggest adding the explanation to the patch comment.
Absolutely: patch to Linus follows.
Hugh
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next prev parent reply other threads:[~2010-09-20 2:35 UTC|newest]
Thread overview: 21+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-09-03 15:39 Andrea Arcangeli
2010-09-03 20:02 ` Andrew Morton
2010-09-04 12:29 ` Andrea Arcangeli
2010-09-03 23:57 ` Rik van Riel
2010-09-06 2:35 ` Hugh Dickins
2010-09-15 23:02 ` Hugh Dickins
2010-09-15 23:42 ` Andrea Arcangeli
2010-09-16 0:10 ` Hugh Dickins
2010-09-16 21:03 ` Andrea Arcangeli
2010-09-16 21:08 ` Andrea Arcangeli
2010-09-17 2:31 ` Hugh Dickins
2010-09-18 13:19 ` Andrea Arcangeli
2010-09-20 2:35 ` Hugh Dickins [this message]
2010-09-20 2:40 ` [PATCH] mm: further " Hugh Dickins
2010-09-20 3:09 ` Rik van Riel
-- strict thread matches above, loose matches on Subject: below --
2010-07-09 0:23 [PATCH] " Andrea Arcangeli
2010-07-09 20:32 ` Hugh Dickins
2010-07-09 21:19 ` Hugh Dickins
2010-07-09 22:02 ` Rik van Riel
2010-07-13 1:08 ` Andrea Arcangeli
2010-07-13 21:30 ` Hugh Dickins
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