From: Alan Cox <alan@lxorguk.ukuu.org.uk>
To: Nick Piggin <nickpiggin@yahoo.com.au>
Cc: Andrew Morton <akpm@osdl.org>, Hugh Dickins <hugh@veritas.com>,
linux-kernel <linux-kernel@vger.kernel.org>
Subject: Re: [PATCH 2.6.14-rc2-mm2] core remove PageReserved
Date: Tue, 11 Oct 2005 14:04:43 +0100 [thread overview]
Message-ID: <1129035883.23677.48.camel@localhost.localdomain> (raw)
In-Reply-To: <434B7F19.5040808@yahoo.com.au>
On Maw, 2005-10-11 at 19:00 +1000, Nick Piggin wrote:
> A last caveat: the ZERO_PAGE is now refcounted and managed with rmap
> (and thus mapcounted and count towards shared rss).
32000 processes each with 2G mapped as zero pages appears to allow the
refcount to overflow ?
Alan
next prev parent reply other threads:[~2005-10-11 12:36 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2005-10-11 9:00 [PATCH 2.6.14-rc2-mm2] core remove PageReserved Nick Piggin
2005-10-11 13:04 ` Alan Cox [this message]
2005-10-11 13:39 ` Nick Piggin
2005-10-11 14:17 ` Hugh Dickins
2005-10-11 14:36 ` Nick Piggin
2005-10-11 14:38 ` Nick Piggin
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