[PATCH 4/4] NOMMU: Add docs about shared memory
- From: David Howells <dhowells@xxxxxxxxxx>
- Date: Thu, 31 Aug 2006 22:35:39 +0100
From: David Howells <dhowells@xxxxxxxxxx>
Add documentation about using shared memory in NOMMU mode.
Signed-Off-By: David Howells <dhowells@xxxxxxxxxx>
---
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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- References:
- [PATCH 1/4] NOMMU: Implement /proc/pid/maps for NOMMU
- From: David Howells
- [PATCH 1/4] NOMMU: Implement /proc/pid/maps for NOMMU
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