Date: Wed, 3 Aug 2016 17:20:35 +0000 (UTC) From: Alan Cox <alc@FreeBSD.org> To: src-committers@freebsd.org, svn-src-user@freebsd.org Subject: svn commit: r303724 - user/alc/PQ_LAUNDRY/sys/vm Message-ID: <201608031720.u73HKZQ1082506@repo.freebsd.org>
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Author: alc Date: Wed Aug 3 17:20:35 2016 New Revision: 303724 URL: https://svnweb.freebsd.org/changeset/base/303724 Log: Revert the previous change (r303697). Unfortunately, I'm able to provoke cases where "target > 0" but "laundry == 0", resulting in "cycle" getting stuck. Modified: user/alc/PQ_LAUNDRY/sys/vm/vm_pageout.c Modified: user/alc/PQ_LAUNDRY/sys/vm/vm_pageout.c ============================================================================== --- user/alc/PQ_LAUNDRY/sys/vm/vm_pageout.c Wed Aug 3 17:17:01 2016 (r303723) +++ user/alc/PQ_LAUNDRY/sys/vm/vm_pageout.c Wed Aug 3 17:20:35 2016 (r303724) @@ -1192,14 +1192,13 @@ vm_pageout_laundry_worker(void *arg) launder = target / cycle; dolaundry: - if (launder > 0) { + if (launder > 0) target -= min(vm_pageout_launder(domain, launder, shortfall > 0), target); - cycle--; - } tsleep(&vm_cnt.v_laundry_count, PVM, "laundr", hz / VM_LAUNDER_INTERVAL); + cycle--; } }
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