From owner-svn-src-all@freebsd.org Thu Dec 8 10:29:42 2016 Return-Path: Delivered-To: svn-src-all@mailman.ysv.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:1900:2254:206a::19:1]) by mailman.ysv.freebsd.org (Postfix) with ESMTP id E75F8C6AB69; Thu, 8 Dec 2016 10:29:42 +0000 (UTC) (envelope-from kib@FreeBSD.org) Received: from repo.freebsd.org (repo.freebsd.org [IPv6:2610:1c1:1:6068::e6a:0]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (Client did not present a certificate) by mx1.freebsd.org (Postfix) with ESMTPS id B5C901547; Thu, 8 Dec 2016 10:29:42 +0000 (UTC) (envelope-from kib@FreeBSD.org) Received: from repo.freebsd.org ([127.0.1.37]) by repo.freebsd.org (8.15.2/8.15.2) with ESMTP id uB8ATfQG092912; Thu, 8 Dec 2016 10:29:41 GMT (envelope-from kib@FreeBSD.org) Received: (from kib@localhost) by repo.freebsd.org (8.15.2/8.15.2/Submit) id uB8ATfwj092911; Thu, 8 Dec 2016 10:29:41 GMT (envelope-from kib@FreeBSD.org) Message-Id: <201612081029.uB8ATfwj092911@repo.freebsd.org> X-Authentication-Warning: repo.freebsd.org: kib set sender to kib@FreeBSD.org using -f From: Konstantin Belousov Date: Thu, 8 Dec 2016 10:29:41 +0000 (UTC) To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org Subject: svn commit: r309709 - head/sys/vm X-SVN-Group: head MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit X-BeenThere: svn-src-all@freebsd.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: "SVN commit messages for the entire src tree \(except for " user" and " projects" \)" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 08 Dec 2016 10:29:43 -0000 Author: kib Date: Thu Dec 8 10:29:41 2016 New Revision: 309709 URL: https://svnweb.freebsd.org/changeset/base/309709 Log: Move map_generation snapshot value into struct faultstate. Reviewed by: alc Tested by: pho Sponsored by: The FreeBSD Foundation MFC after: 1 week Modified: head/sys/vm/vm_fault.c Modified: head/sys/vm/vm_fault.c ============================================================================== --- head/sys/vm/vm_fault.c Thu Dec 8 10:28:51 2016 (r309708) +++ head/sys/vm/vm_fault.c Thu Dec 8 10:29:41 2016 (r309709) @@ -122,6 +122,7 @@ struct faultstate { vm_pindex_t first_pindex; vm_map_t map; vm_map_entry_t entry; + int map_generation; bool lookup_still_valid; struct vnode *vp; }; @@ -339,7 +340,7 @@ vm_fault_hold(vm_map_t map, vm_offset_t vm_pindex_t retry_pindex; vm_prot_t prot, retry_prot; int ahead, alloc_req, behind, cluster_offset, error, era, faultcount; - int locked, map_generation, nera, result, rv; + int locked, nera, result, rv; u_char behavior; boolean_t wired; /* Passed by reference. */ bool dead, growstack, hardfault, is_first_object_locked; @@ -373,7 +374,7 @@ RetryFault:; return (result); } - map_generation = fs.map->timestamp; + fs.map_generation = fs.map->timestamp; if (fs.entry->eflags & MAP_ENTRY_NOFAULT) { panic("vm_fault: fault on nofault entry, addr: %lx", @@ -972,7 +973,7 @@ readrest: goto RetryFault; } fs.lookup_still_valid = true; - if (fs.map->timestamp != map_generation) { + if (fs.map->timestamp != fs.map_generation) { result = vm_map_lookup_locked(&fs.map, vaddr, fault_type, &fs.entry, &retry_object, &retry_pindex, &retry_prot, &wired);