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authorDavid Howells <dhowells@redhat.com>2006-09-27 01:50:21 -0700
committerLinus Torvalds <torvalds@g5.osdl.org>2006-09-27 08:26:14 -0700
commit0112c4c6461fed12ed9bcb249f967bc17a23f6c4 (patch)
tree7e42f8bbce885b4dfa88ff109960235c246e4da5 /Documentation/nommu-mmap.txt
parent6fa5f80bc34da1a49b42117602b44441402cac2f (diff)
downloadlinux-0112c4c6461fed12ed9bcb249f967bc17a23f6c4.tar.gz
[PATCH] NOMMU: Add docs about shared memory
Add documentation about using shared memory in NOMMU mode. Signed-off-by: David Howells <dhowells@redhat.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
Diffstat (limited to 'Documentation/nommu-mmap.txt')
-rw-r--r--Documentation/nommu-mmap.txt9
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diff --git a/Documentation/nommu-mmap.txt b/Documentation/nommu-mmap.txt
index 3ce89066493..4db7c18bf68 100644
--- a/Documentation/nommu-mmap.txt
+++ b/Documentation/nommu-mmap.txt
@@ -129,6 +129,15 @@ FURTHER NOTES ON NO-MMU MMAP
with character device files, pipes, fifos and sockets.
+==========================
+INTERPROCESS SHARED MEMORY
+==========================
+
+Both SYSV IPC SHM shared memory and POSIX shared memory is supported in NOMMU
+mode. The former through the usual mechanism, the latter through files created
+on ramfs or tmpfs mounts.
+
+
=============
NO-MMU MREMAP
=============