Date: Thu, 25 Apr 2019 03:48:37 +0000 (UTC) From: Mark Johnston <markj@FreeBSD.org> To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-stable@freebsd.org, svn-src-stable-12@freebsd.org Subject: svn commit: r346660 - stable/12/sys/vm Message-ID: <201904250348.x3P3mbOe006712@repo.freebsd.org>
next in thread | raw e-mail | index | archive | help
Author: markj Date: Thu Apr 25 03:48:37 2019 New Revision: 346660 URL: https://svnweb.freebsd.org/changeset/base/346660 Log: MFC r346543: Disable vm map consistency checking by default on INVARIANTS kernels. Modified: stable/12/sys/vm/vm_map.c Directory Properties: stable/12/ (props changed) Modified: stable/12/sys/vm/vm_map.c ============================================================================== --- stable/12/sys/vm/vm_map.c Thu Apr 25 03:47:32 2019 (r346659) +++ stable/12/sys/vm/vm_map.c Thu Apr 25 03:48:37 2019 (r346660) @@ -670,6 +670,14 @@ _vm_map_assert_locked(vm_map_t map, const char *file, #define VM_MAP_ASSERT_LOCKED(map) \ _vm_map_assert_locked(map, LOCK_FILE, LOCK_LINE) +#ifdef DIAGNOSTIC +static int enable_vmmap_check = 1; +#else +static int enable_vmmap_check = 0; +#endif +SYSCTL_INT(_debug, OID_AUTO, vmmap_check, CTLFLAG_RWTUN, + &enable_vmmap_check, 0, "Enable vm map consistency checking"); + static void _vm_map_assert_consistent(vm_map_t map) { @@ -677,6 +685,9 @@ _vm_map_assert_consistent(vm_map_t map) vm_map_entry_t child; vm_size_t max_left, max_right; + if (!enable_vmmap_check) + return; + for (entry = map->header.next; entry != &map->header; entry = entry->next) { KASSERT(entry->prev->end <= entry->start, @@ -714,7 +725,7 @@ _vm_map_assert_consistent(vm_map_t map) #else #define VM_MAP_ASSERT_LOCKED(map) #define VM_MAP_ASSERT_CONSISTENT(map) -#endif +#endif /* INVARIANTS */ /* * _vm_map_unlock_and_wait:
Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?201904250348.x3P3mbOe006712>