Date: Sun, 28 Jun 2009 16:34:33 +0000 (UTC) From: Kip Macy <kmacy@FreeBSD.org> To: src-committers@freebsd.org, svn-src-user@freebsd.org Subject: svn commit: r195138 - user/kmacy/releng_7_2_fcs/sys/amd64/amd64 Message-ID: <200906281634.n5SGYXOq016239@svn.freebsd.org>
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Author: kmacy Date: Sun Jun 28 16:34:33 2009 New Revision: 195138 URL: http://svn.freebsd.org/changeset/base/195138 Log: - add page lock to protect md pv list in pmap_pv_promote_pde - add pv_lock to protect stats in pmap_remove_pages 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 Sun Jun 28 15:38:50 2009 (r195137) +++ user/kmacy/releng_7_2_fcs/sys/amd64/amd64/pmap.c Sun Jun 28 16:34:33 2009 (r195138) @@ -2227,7 +2227,9 @@ pmap_pv_promote_pde(pmap_t pmap, vm_offs do { m++; va += PAGE_SIZE; + vm_page_lock(m); pmap_pvh_free(&m->md, pmap, va, free); + vm_page_unlock(m); } while (va < va_last); } @@ -3984,9 +3986,11 @@ restart: } /* Mark free */ + mtx_lock(&pv_lock); PV_STAT(pv_entry_frees++); PV_STAT(pv_entry_spare++); pv_entry_count--; + mtx_unlock(&pv_lock); pc->pc_map[field] |= bitmask; if ((tpte & PG_PS) != 0) { pmap->pm_stats.resident_count -= NBPDR / PAGE_SIZE;
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