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[PATCH] NOMMU: Add docs about shared memory

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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>
This commit is contained in:
David Howells
2006-09-27 01:50:21 -07:00
committed by Linus Torvalds
parent 6fa5f80bc3
commit 0112c4c646
1 changed files with 9 additions and 0 deletions
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Documentation/nommu-mmap.txt
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@@ -129,6 +129,15 @@ FURTHER NOTES ON NO-MMU MMAP
with character device files, pipes, fifos and sockets. 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 NO-MMU MREMAP
============= =============