Author: kib Date: Fri Aug 3 12:14:29 2018 New Revision: 337236 URL: https://svnweb.freebsd.org/changeset/base/337236
Log: Some updates to vm_map(9). Remove min_offset, max_offset. Mention the busy flag. Prodded by: https://reviews.freebsd.org/D16105. Sponsored by: The FreeBSD Foundation MFC after: 1 week Modified: head/share/man/man9/vm_map.9 Modified: head/share/man/man9/vm_map.9 ============================================================================== --- head/share/man/man9/vm_map.9 Fri Aug 3 11:36:37 2018 (r337235) +++ head/share/man/man9/vm_map.9 Fri Aug 3 12:14:29 2018 (r337236) @@ -25,7 +25,7 @@ .\" .\" $FreeBSD$ .\" -.Dd July 9, 2011 +.Dd July 3, 2018 .Dt VM_MAP 9 .Os .Sh NAME @@ -62,8 +62,7 @@ struct vm_map { vm_flags_t flags; vm_map_entry_t root; pmap_t pmap; -#define min_offset header.start -#define max_offset header.end + int busy; }; .Ed .Pp @@ -99,29 +98,16 @@ Root node of a binary search tree used for fast lookup .It Va pmap Pointer to the underlying physical map with which this virtual map is associated. -.It Va min_offset -The minimum -.Vt vm_offset_t -in this map. -Programs should never use -.Va header.start -or -.Va header.end -directly, use -.Va min_offset -and -.Va max_offset -instead. -.It Va max_offset -The maximum -.Vt vm_offset_t -in this map. +.It Va busy +Map busy counter, prevents forks. .El .Pp -There is one possible map flag: +Possible map flags: .Bl -tag -width ".Dv MAP_PREFAULT_MADVISE" .It Dv MAP_WIREFUTURE Wire all future pages in this map. +.It Dv MAP_BUSY_WAKEUP +There are waiters for the map busy status. .El .Pp The following flags can be passed to _______________________________________________ svn-src-all@freebsd.org mailing list https://lists.freebsd.org/mailman/listinfo/svn-src-all To unsubscribe, send any mail to "svn-src-all-unsubscr...@freebsd.org"