Date: Mon, 10 May 2010 11:50:26 +0000 (UTC) From: Konstantin Belousov <kib@FreeBSD.org> To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-stable@freebsd.org, svn-src-stable-8@freebsd.org Subject: svn commit: r207845 - stable/8/sys/vm Message-ID: <201005101150.o4ABoQoZ043065@svn.freebsd.org>
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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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