Date: Wed, 24 Nov 2010 12:25:17 +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: r215796 - head/sys/vm Message-ID: <201011241225.oAOCPHXj070023@svn.freebsd.org>
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Author: kib Date: Wed Nov 24 12:25:17 2010 New Revision: 215796 URL: http://svn.freebsd.org/changeset/base/215796 Log: After the sleep caused by encountering a busy page, relookup the page. Submitted and reviewed by: alc Reprted and tested by: pho MFC after: 5 days Modified: head/sys/vm/vm_object.c Modified: head/sys/vm/vm_object.c ============================================================================== --- head/sys/vm/vm_object.c Wed Nov 24 09:36:36 2010 (r215795) +++ head/sys/vm/vm_object.c Wed Nov 24 12:25:17 2010 (r215796) @@ -821,9 +821,11 @@ rescan: np = TAILQ_NEXT(p, listq); if (p->valid == 0) continue; - while (vm_page_sleep_if_busy(p, TRUE, "vpcwai")) { + if (vm_page_sleep_if_busy(p, TRUE, "vpcwai")) { if (object->generation != curgeneration) goto rescan; + np = vm_page_find_least(object, pi); + continue; } vm_page_test_dirty(p); if (p->dirty == 0)
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