提交 0112c4c6 编写于 作者: D David Howells 提交者: Linus Torvalds

[PATCH] NOMMU: Add docs about shared memory

Add documentation about using shared memory in NOMMU mode.
Signed-off-by: NDavid Howells <dhowells@redhat.com>
Signed-off-by: NAndrew Morton <akpm@osdl.org>
Signed-off-by: NLinus Torvalds <torvalds@osdl.org>
上级 6fa5f80b
...@@ -129,6 +129,15 @@ FURTHER NOTES ON NO-MMU MMAP ...@@ -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
============= =============
......
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