Author: kib
Date: Mon May 10 11:50:26 2010
New Revision: 207845
URL: http://svn.freebsd.org/changeset/base/207845
Log:
MFC r207580:
Handle busy status of the page in a way expected for pager_getpage().
Flush requested page, unbusy other pages, do not clear m->busy.
Modified:
stable/8/sys/vm/phys_pager.c
Directory Properties:
stable/8/sys/ (props changed)
stable/8/sys/amd64/include/xen/ (props changed)
stable/8/sys/cddl/contrib/opensolaris/ (props changed)
stable/8/sys/contrib/dev/acpica/ (props changed)
stable/8/sys/contrib/pf/ (props changed)
stable/8/sys/dev/xen/xenpci/ (props changed)
stable/8/sys/geom/sched/ (props changed)
Modified: stable/8/sys/vm/phys_pager.c
==============================================================================
--- stable/8/sys/vm/phys_pager.c Mon May 10 07:47:31 2010
(r207844)
+++ stable/8/sys/vm/phys_pager.c Mon May 10 11:50:26 2010
(r207845)
@@ -152,10 +152,10 @@ phys_pager_getpages(vm_object_t object,
KASSERT(m[i]->dirty == 0,
("phys_pager_getpages: dirty page %p", m[i]));
/* The requested page must remain busy, the others not. */
- if (reqpage != i) {
- m[i]->oflags &= ~VPO_BUSY;
- m[i]->busy = 0;
- }
+ if (i == reqpage)
+ vm_page_flash(m[i]);
+ else
+ vm_page_wakeup(m[i]);
}
return (VM_PAGER_OK);
}
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