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List:       linux-kernel
Subject:    [PATCH 4/4] NOMMU: Add docs about shared memory
From:       David Howells <dhowells () redhat ! com>
Date:       2006-08-31 21:35:39
Message-ID: 20060831213539.29363.21990.stgit () warthog ! cambridge ! redhat ! com
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From: David Howells <dhowells@redhat.com>

Add documentation about using shared memory in NOMMU mode.

Signed-Off-By: David Howells <dhowells@redhat.com>
---

 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 3ce8906..4db7c18 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
 =============
-
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