Re: [PATCH 2.6.14-rc2-mm2] core remove PageReserved

From: Alan Cox
Date: Tue Oct 11 2005 - 07:36:57 EST

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 ?


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