Date: Wed, 1 Jul 2009 20:42:18 +0000 (UTC) From: Kip Macy <kmacy@FreeBSD.org> To: src-committers@freebsd.org, svn-src-user@freebsd.org Subject: svn commit: r195258 - user/kmacy/releng_7_2_fcs/sys/amd64/amd64 Message-ID: <200907012042.n61KgIQY023389@svn.freebsd.org>
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Author: kmacy Date: Wed Jul 1 20:42:17 2009 New Revision: 195258 URL: http://svn.freebsd.org/changeset/base/195258 Log: drop pv lock while calling pmap_collect Modified: user/kmacy/releng_7_2_fcs/sys/amd64/amd64/pmap.c Modified: user/kmacy/releng_7_2_fcs/sys/amd64/amd64/pmap.c ============================================================================== --- user/kmacy/releng_7_2_fcs/sys/amd64/amd64/pmap.c Wed Jul 1 20:16:29 2009 (r195257) +++ user/kmacy/releng_7_2_fcs/sys/amd64/amd64/pmap.c Wed Jul 1 20:42:17 2009 (r195258) @@ -2095,8 +2095,8 @@ retry: VM_ALLOC_SYSTEM : VM_ALLOC_NORMAL) | VM_ALLOC_NOOBJ | VM_ALLOC_WIRED); if (m == NULL) { + pv_entry_count--; if (try) { - pv_entry_count--; PV_STAT(pc_chunk_tryfail++); mtx_unlock(&pv_lock); return (NULL); @@ -2114,7 +2114,10 @@ retry: pq = &vm_page_queues[PQ_ACTIVE]; } else panic("get_pv_entry: increase vm.pmap.shpgperproc"); + mtx_unlock(&pv_lock); pmap_collect(pmap, pq); + mtx_lock(&pv_lock); + pv_entry_count++; goto retry; } PV_STAT(pc_chunk_count++);
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