cvs commit: src/sys/kern vfs_bio.c
alc at cs.rice.edu
Mon Jan 23 14:57:15 PST 2006
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.
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