From owner-cvs-src-old@FreeBSD.ORG Fri Aug 28 14:07:38 2009 Return-Path: Delivered-To: cvs-src-old@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id C8F6D1065675 for ; Fri, 28 Aug 2009 14:07:38 +0000 (UTC) (envelope-from jhb@FreeBSD.org) Received: from repoman.freebsd.org (repoman.freebsd.org [IPv6:2001:4f8:fff6::29]) by mx1.freebsd.org (Postfix) with ESMTP id B63028FC0C for ; Fri, 28 Aug 2009 14:07:38 +0000 (UTC) Received: from repoman.freebsd.org (localhost [127.0.0.1]) by repoman.freebsd.org (8.14.3/8.14.3) with ESMTP id n7SE7cnw016393 for ; Fri, 28 Aug 2009 14:07:38 GMT (envelope-from jhb@repoman.freebsd.org) Received: (from svn2cvs@localhost) by repoman.freebsd.org (8.14.3/8.14.3/Submit) id n7SE7ccq016392 for cvs-src-old@freebsd.org; Fri, 28 Aug 2009 14:07:38 GMT (envelope-from jhb@repoman.freebsd.org) Message-Id: <200908281407.n7SE7ccq016392@repoman.freebsd.org> X-Authentication-Warning: repoman.freebsd.org: svn2cvs set sender to jhb@repoman.freebsd.org using -f From: John Baldwin Date: Fri, 28 Aug 2009 14:06:55 +0000 (UTC) To: cvs-src-old@freebsd.org X-FreeBSD-CVS-Branch: HEAD Subject: cvs commit: src/sys/kern kern_conf.c src/sys/sys conf.h types.h src/sys/vm device_pager.c vm.h X-BeenThere: cvs-src-old@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: **OBSOLETE** CVS commit messages for the src tree List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Fri, 28 Aug 2009 14:07:38 -0000 jhb 2009-08-28 14:06:55 UTC FreeBSD src repository Modified files: sys/kern kern_conf.c sys/sys conf.h types.h sys/vm device_pager.c vm.h Log: SVN rev 196615 on 2009-08-28 14:06:55Z by jhb Extend the device pager to support different memory attributes on different pages in an object. - Add a new variant of d_mmap() currently called d_mmap2() which accepts an additional in/out parameter that is the memory attribute to use for the requested page. - A driver either uses d_mmap() or d_mmap2() for all requests but not both. The current implementation uses a flag in the cdevsw (D_MMAP2) to indicate that the driver provides a d_mmap2() handler instead of d_mmap(). This is done to make the change ABI compatible with existing drivers and MFC'able to 7 and 8. Submitted by: alc MFC after: 1 month Revision Changes Path 1.232 +10 -4 src/sys/kern/kern_conf.c 1.252 +9 -1 src/sys/sys/conf.h 1.103 +1 -0 src/sys/sys/types.h 1.92 +15 -5 src/sys/vm/device_pager.c 1.33 +6 -6 src/sys/vm/vm.h