Date: Fri, 17 Apr 2009 11:44:51 -0400 From: John Baldwin <jhb@freebsd.org> To: Alan Cox <alc@freebsd.org> Cc: svn-src-stable@freebsd.org, svn-src-all@freebsd.org, src-committers@freebsd.org, svn-src-stable-7@freebsd.org Subject: Re: svn commit: r191204 - in stable/7/sys: . contrib/pf dev/ath/ath_hal dev/cxgb vm Message-ID: <200904171144.51791.jhb@freebsd.org> In-Reply-To: <200904171535.n3HFZGoH026439@svn.freebsd.org> References: <200904171535.n3HFZGoH026439@svn.freebsd.org>
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On Friday 17 April 2009 11:35:16 am Alan Cox wrote: > Author: alc > Date: Fri Apr 17 15:35:16 2009 > New Revision: 191204 > URL: http://svn.freebsd.org/changeset/base/191204 > > Log: > MFC r175055 > Defer setting either PG_CACHED or PG_FREE until after the free page > queues lock is acquired. Otherwise, the state of a reservation's > pages' flags and its population count can be inconsistent. That could > result in a page being freed twice. > > (This change should have been included in the MFC of the superpages > support.) > > Thanks to: pho for an illuminating crash Thanks. Pointy hat to: jhb -- John Baldwin
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