From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S932196AbWHaVgU (ORCPT ); Thu, 31 Aug 2006 17:36:20 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S932338AbWHaVgU (ORCPT ); Thu, 31 Aug 2006 17:36:20 -0400 Received: from mx1.redhat.com ([66.187.233.31]:1212 "EHLO mx1.redhat.com") by vger.kernel.org with ESMTP id S932196AbWHaVfw (ORCPT ); Thu, 31 Aug 2006 17:35:52 -0400 From: David Howells Subject: [PATCH 4/4] NOMMU: Add docs about shared memory Date: Thu, 31 Aug 2006 22:35:39 +0100 To: torvalds@osdl.org, akpm@osdl.org Cc: linux-kernel@vger.kernel.org, uclinux-dev@uclinux.org, dhowells@redhat.com Message-Id: <20060831213539.29363.21990.stgit@warthog.cambridge.redhat.com> In-Reply-To: <20060831213530.29363.6372.stgit@warthog.cambridge.redhat.com> References: <20060831213530.29363.6372.stgit@warthog.cambridge.redhat.com> Content-Type: text/plain; charset=utf-8; format=fixed Content-Transfer-Encoding: 8bit User-Agent: StGIT/0.10 Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org From: David Howells Add documentation about using shared memory in NOMMU mode. Signed-Off-By: David Howells --- 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 =============