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| author | David Howells <dhowells@redhat.com> | 2006-09-27 01:50:21 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@g5.osdl.org> | 2006-09-27 08:26:14 -0700 |
| commit | 0112c4c6461fed12ed9bcb249f967bc17a23f6c4 (patch) | |
| tree | 7e42f8bbce885b4dfa88ff109960235c246e4da5 | |
| parent | 6fa5f80bc34da1a49b42117602b44441402cac2f (diff) | |
| download | lwn-0112c4c6461fed12ed9bcb249f967bc17a23f6c4.tar.gz lwn-0112c4c6461fed12ed9bcb249f967bc17a23f6c4.zip | |
[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>
| -rw-r--r-- | Documentation/nommu-mmap.txt | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/Documentation/nommu-mmap.txt b/Documentation/nommu-mmap.txt index 3ce890664936..4db7c18bf68c 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 ============= |