Date: Sat, 28 Apr 2012 23:05:08 +0000 (UTC) From: Alan Cox <alc@FreeBSD.org> To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-stable@freebsd.org, svn-src-stable-8@freebsd.org Subject: svn commit: r234776 - in stable/8/sys: i386/conf vm Message-ID: <201204282305.q3SN58rR084818@svn.freebsd.org>
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Author: alc Date: Sat Apr 28 23:05:08 2012 New Revision: 234776 URL: http://svn.freebsd.org/changeset/base/234776 Log: MFC r234038 If a page belonging a reservation is cached, then mark the reservation so that it will be freed to the cache pool rather than the default pool. Otherwise, the cached pages within the reservation may be recycled sooner than necessary. Modified: stable/8/sys/vm/vm_reserv.c Directory Properties: stable/8/sys/ (props changed) stable/8/sys/amd64/include/xen/ (props changed) stable/8/sys/boot/ (props changed) stable/8/sys/cddl/contrib/opensolaris/ (props changed) stable/8/sys/contrib/dev/acpica/ (props changed) stable/8/sys/contrib/pf/ (props changed) stable/8/sys/dev/e1000/ (props changed) stable/8/sys/i386/conf/XENHVM (props changed) Modified: stable/8/sys/vm/vm_reserv.c ============================================================================== --- stable/8/sys/vm/vm_reserv.c Sat Apr 28 22:48:00 2012 (r234775) +++ stable/8/sys/vm/vm_reserv.c Sat Apr 28 23:05:08 2012 (r234776) @@ -466,11 +466,13 @@ vm_reserv_free_page(vm_page_t m) mtx_assert(&vm_page_queue_free_mtx, MA_OWNED); rv = vm_reserv_from_page(m); - if (rv->object != NULL) { - vm_reserv_depopulate(rv); - return (TRUE); - } - return (FALSE); + if (rv->object == NULL) + return (FALSE); + if ((m->flags & PG_CACHED) != 0 && m->pool != VM_FREEPOOL_CACHE) + vm_phys_set_pool(VM_FREEPOOL_CACHE, rv->pages, + VM_LEVEL_0_ORDER); + vm_reserv_depopulate(rv); + return (TRUE); } /*
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