linux-kernel - [PATCH 4/4] NOMMU: Add docs about shared memory

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Message-Id: <20060831213539.29363.21990.stgit@warthog.cambridge.redhat.com>
Date:	Thu, 31 Aug 2006 22:35:39 +0100
From:	David Howells <dhowells@...hat.com>
To:	torvalds@...l.org, akpm@...l.org
Cc:	linux-kernel@...r.kernel.org, uclinux-dev@...inux.org,
	dhowells@...hat.com
Subject: [PATCH 4/4] NOMMU: Add docs about shared memory

From: David Howells <dhowells@...hat.com>

Add documentation about using shared memory in NOMMU mode.

Signed-Off-By: David Howells <dhowells@...hat.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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