Date: Wed, 18 Jul 2012 21:47:51 +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: r238604 - head/sys/vm Message-ID: <201207182147.q6ILlpZQ014430@svn.freebsd.org>
next in thread | raw e-mail | index | archive | help
Author: kib Date: Wed Jul 18 21:47:50 2012 New Revision: 238604 URL: http://svn.freebsd.org/changeset/base/238604 Log: Do not restart scan of the inactive queue when non-inactive page is found. Rather, we shall not find such pages on inactive queue at all. Requested and reviewed by: alc MFC after: 2 weeks Modified: head/sys/vm/vm_pageout.c Modified: head/sys/vm/vm_pageout.c ============================================================================== --- head/sys/vm/vm_pageout.c Wed Jul 18 21:30:17 2012 (r238603) +++ head/sys/vm/vm_pageout.c Wed Jul 18 21:47:50 2012 (r238604) @@ -921,7 +921,6 @@ vm_pageout_scan(int pass) maxlaunder = 10000; vm_page_lock_queues(); queues_locked = TRUE; -rescan0: addl_page_shortage = addl_page_shortage_init; maxscan = cnt.v_inactive_count; @@ -930,12 +929,9 @@ rescan0: m = next) { KASSERT(queues_locked, ("unlocked queues")); mtx_assert(&vm_page_queue_mtx, MA_OWNED); + KASSERT(m->queue == PQ_INACTIVE, ("Inactive queue %p", m)); cnt.v_pdpages++; - - if (m->queue != PQ_INACTIVE) - goto rescan0; - next = TAILQ_NEXT(m, pageq); /*
Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?201207182147.q6ILlpZQ014430>