From: Sean Neakums <sneakums@zork.net>
To: linux-mm@kvack.org
Subject: Re: hard question re: swap cache
Date: Wed, 28 May 2003 11:01:56 +0100 [thread overview]
Message-ID: <6ud6i3o0dn.fsf@zork.zork.net> (raw)
In-Reply-To: <20030527230406.4286.qmail@web41505.mail.yahoo.com> (Carl Spalletta's message of "Tue, 27 May 2003 16:04:06 -0700 (PDT)")
Carl Spalletta <cspalletta@yahoo.com> writes:
> I thought of a simple example. Suppose processes a,b,c have a
> shared, anonymous page. All processes have this page present. Then
> the page for a is swapped out. Then b and c exit unexpectedly,
> after making changes to the page. When and if 'a' has the page
> swapped back in, what mechanism guarantees that it will see the
> changes made by b and c?
I don't think it makes much sense to say "the page for a" in the case
of a shared page.
--
Sean Neakums - <sneakums@zork.net>
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next prev parent reply other threads:[~2003-05-28 10:01 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2003-05-27 23:04 Carl Spalletta
2003-05-28 10:01 ` Sean Neakums [this message]
-- strict thread matches above, loose matches on Subject: below --
2003-05-27 21:41 Carl Spalletta
2003-05-28 0:08 ` Hugh Dickins
2003-05-28 14:53 ` Dave McCracken
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