diff mbox series

mremap.2: MREMAP_DONTUNMAP to reflect to supported mappings

Message ID 20210323162611.2398613-4-bgeffon@google.com (mailing list archive)
State New, archived
Headers show
Series mremap.2: MREMAP_DONTUNMAP to reflect to supported mappings | expand

Commit Message

Brian Geffon March 23, 2021, 4:26 p.m. UTC
mremap(2) now supports MREMAP_DONTUNMAP with mapping types other
than private anonymous.

Signed-off-by: Brian Geffon <bgeffon@google.com>
---
 man2/mremap.2 | 13 ++-----------
 1 file changed, 2 insertions(+), 11 deletions(-)
diff mbox series

Patch

diff --git a/man2/mremap.2 b/man2/mremap.2
index 3ed0c0c0a..72acbc111 100644
--- a/man2/mremap.2
+++ b/man2/mremap.2
@@ -118,16 +118,6 @@  This flag, which must be used in conjunction with
 remaps a mapping to a new address but does not unmap the mapping at
 .IR old_address .
 .IP
-The
-.B MREMAP_DONTUNMAP
-flag can be used only with private anonymous mappings
-(see the description of
-.BR MAP_PRIVATE
-and
-.BR MAP_ANONYMOUS
-in
-.BR mmap (2)).
-.IP
 After completion,
 any access to the range specified by
 .IR old_address
@@ -227,7 +217,8 @@  was specified, but one or more pages in the range specified by
 .IR old_address
 and
 .IR old_size
-were not private anonymous;
+were part of a special mapping or the mapping is one that
+does not support merging or expanding;
 .IP *
 .B MREMAP_DONTUNMAP
 was specified and