Date: Mon, 19 Apr 2010 19:25:17 +0000 (UTC) From: Kip Macy <kmacy@FreeBSD.org> To: src-committers@freebsd.org, svn-src-user@freebsd.org Subject: svn commit: r206855 - user/kmacy/head_page_lock_2/sys/vm Message-ID: <201004191925.o3JJPHx4092910@svn.freebsd.org>
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Author: kmacy Date: Mon Apr 19 19:25:17 2010 New Revision: 206855 URL: http://svn.freebsd.org/changeset/base/206855 Log: per 206823: vm_thread_swapout() can safely dirty the page before rather than after acquiring the page queues lock. Modified: user/kmacy/head_page_lock_2/sys/vm/vm_glue.c Modified: user/kmacy/head_page_lock_2/sys/vm/vm_glue.c ============================================================================== --- user/kmacy/head_page_lock_2/sys/vm/vm_glue.c Mon Apr 19 19:20:36 2010 (r206854) +++ user/kmacy/head_page_lock_2/sys/vm/vm_glue.c Mon Apr 19 19:25:17 2010 (r206855) @@ -523,8 +523,8 @@ vm_thread_swapout(struct thread *td) m = vm_page_lookup(ksobj, i); if (m == NULL) panic("vm_thread_swapout: kstack already missing?"); - vm_page_lock(m); vm_page_dirty(m); + vm_page_lock(m); vm_page_unwire(m, 0); vm_page_unlock(m); }
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