Date: Mon, 3 May 2010 19:19:59 +0000 (UTC) From: Konstantin Belousov <kib@FreeBSD.org> To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org Subject: svn commit: r207580 - head/sys/vm Message-ID: <201005031919.o43JJxu5069644@svn.freebsd.org>
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Author: kib Date: Mon May 3 19:19:58 2010 New Revision: 207580 URL: http://svn.freebsd.org/changeset/base/207580 Log: Handle busy status of the page in a way expected for pager_getpage(). Flush requested page, unbusy other pages, do not clear m->busy. Reviewed by: alc MFC after: 1 week Modified: head/sys/vm/phys_pager.c Modified: head/sys/vm/phys_pager.c ============================================================================== --- head/sys/vm/phys_pager.c Mon May 3 18:39:40 2010 (r207579) +++ head/sys/vm/phys_pager.c Mon May 3 19:19:58 2010 (r207580) @@ -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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