From 0112c4c6461fed12ed9bcb249f967bc17a23f6c4 Mon Sep 17 00:00:00 2001 From: David Howells Date: Wed, 27 Sep 2006 01:50:21 -0700 Subject: [PATCH] NOMMU: Add docs about shared memory Add documentation about using shared memory in NOMMU mode. Signed-off-by: David Howells Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds --- Documentation/nommu-mmap.txt | 9 +++++++++ 1 file changed, 9 insertions(+) diff --git a/Documentation/nommu-mmap.txt b/Documentation/nommu-mmap.txt index 3ce8906649360..4db7c18bf68c4 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 ============= -- cgit 1.2.3-korg