From mboxrd@z Thu Jan 1 00:00:00 1970 Date: Mon, 11 Jun 2007 11:11:11 -0700 From: Andrew Morton Subject: Re: [PATCH] shm: Fix the filename of hugetlb sysv shared memory Message-Id: <20070611111111.2345470d.akpm@linux-foundation.org> In-Reply-To: References: <787b0d920706062027s5a8fd35q752f8da5d446afc@mail.gmail.com> <20070606204432.b670a7b1.akpm@linux-foundation.org> <787b0d920706062153u7ad64179p1c4f3f663c3882f@mail.gmail.com> <20070607162004.GA27802@vino.hallyn.com> <46697EDA.9000209@us.ibm.com> Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Sender: owner-linux-mm@kvack.org Return-Path: To: "Eric W. Biederman" Cc: "Serge E. Hallyn" , Albert Cahalan , linux-kernel@vger.kernel.org, linux-mm@kvack.org, torvalds@linux-foundation.org, Badari Pulavarty List-ID: On Fri, 08 Jun 2007 17:43:34 -0600 ebiederm@xmission.com (Eric W. Biederman) wrote: > Some user space tools need to identify SYSV shared memory when > examining /proc//maps. To do so they look for a block device > with major zero, a dentry named SYSV, and having the minor of > the internal sysv shared memory kernel mount. > > To help these tools and to make it easier for people just browsing > /proc//maps this patch modifies hugetlb sysv shared memory to > use the SYSV dentry naming convention. > > User space tools will still have to be aware that hugetlb sysv > shared memory lives on a different internal kernel mount and so > has a different block device minor number from the rest of sysv > shared memory. So.. I am sitting here believing that this patch and Badari's restore-shmid-as-inode-to-fix-proc-pid-maps-abi-breakage.patch are both needed in 2.6.22 and that they will fix all these issues up. If that is untrue, someone please let us know.. -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@kvack.org. For more info on Linux MM, see: http://www.linux-mm.org/ . Don't email: email@kvack.org