Date: Fri, 3 Aug 2018 12:14:30 +0000 (UTC) From: Konstantin Belousov <kib@FreeBSD.org> To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org Subject: svn commit: r337236 - head/share/man/man9 Message-ID: <201808031214.w73CEUtV007931@repo.freebsd.org>
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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
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