Date: Mon, 23 Jan 2006 16:29:04 -0600 From: Alan Cox <alc@cs.rice.edu> To: Sam Leffler <sam@errno.com> Cc: Alan Cox <alc@FreeBSD.org>, cvs-src@FreeBSD.org, src-committers@FreeBSD.org, cvs-all@FreeBSD.org Subject: Re: cvs commit: src/sys/kern vfs_bio.c Message-ID: <20060123222904.GA5033@cs.rice.edu> In-Reply-To: <43D52E24.1050305@errno.com> References: <200601230000.k0N00k0f091069@repoman.freebsd.org> <43D52E24.1050305@errno.com>
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On Mon, Jan 23, 2006 at 11:27:32AM -0800, Sam Leffler wrote: > Alan Cox wrote: > >alc 2006-01-23 00:00:46 UTC > > > > FreeBSD src repository > > > > Modified files: > > sys/kern vfs_bio.c > > Log: > > Remove an unnecessary call to pmap_remove_all(). The given page is not > > mapped because its contents are invalid. > > This appears to be the cause of the vm_page_free_toq panics. > Yes. This change has revealed a case in which a page's contents are invalidated but the page's mappings are not immediately revoked. Tor has proposed a fix that I will review this evening. Regards, Alan
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