From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753563AbYJEFst (ORCPT ); Sun, 5 Oct 2008 01:48:49 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1751747AbYJEFsl (ORCPT ); Sun, 5 Oct 2008 01:48:41 -0400 Received: from rv-out-0506.google.com ([209.85.198.235]:57950 "EHLO rv-out-0506.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751700AbYJEFsk (ORCPT ); Sun, 5 Oct 2008 01:48:40 -0400 DomainKey-Signature: a=rsa-sha1; c=nofws; d=gmail.com; s=gamma; h=message-id:date:from:sender:to:subject:cc:in-reply-to:mime-version :content-type:content-transfer-encoding:content-disposition :references:x-google-sender-auth; b=NF+oGi9DfS+MImgTdohaH47hspv3nxklyZuCYi7xpb8bhcYjMlrzuef1J+jMYgDOHu TcgdpunIkwA6634N6BdoxDppYZNSYQEUv84nEU2okDP/ujiblAQycCwmmJAtnCq4gS4h 8/rL4UTKcX5+4wn/Kjh6orITjKKeTalcc4G7s= Message-ID: <2f11576a0810042248v209cae42m3ed280f0489b8a0@mail.gmail.com> Date: Sun, 5 Oct 2008 14:48:39 +0900 From: "KOSAKI Motohiro" To: "Alexey Dobriyan" Subject: Re: [RFC PATCH] Report the shmid backing a VMA in maps Cc: "Mel Gorman" , akpm@linux-foundation.org, linux-mm@kvack.org, linux-kernel@vger.kernel.org, "Adam Litke" In-Reply-To: <20081004215228.GA20048@x200.localdomain> MIME-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit Content-Disposition: inline References: <1223052415-18956-1-git-send-email-mel@csn.ul.ie> <1223052415-18956-3-git-send-email-mel@csn.ul.ie> <20081004205650.CE47.KOSAKI.MOTOHIRO@jp.fujitsu.com> <20081004215228.GA20048@x200.localdomain> X-Google-Sender-Auth: adc522ca2cf617f5 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org 2008/10/5 Alexey Dobriyan : > On Sat, Oct 04, 2008 at 09:04:03PM +0900, KOSAKI Motohiro wrote: >> In the other hand, huge page is often used via ipc shm, not mmap. >> So, administrator often want to know relationship of memory region and shmid. >> >> Then, To add shmid attribute in /proc/{pid}/maps is useful. >> >> >> In addition, shmid information is not only useful for huge page, but also for normal shm. >> Then, this patch works well on normal shm. > >> 2000000000500000-2000000000900000 rw-s 00000000 00:09 0 /SYSV00000000 (deleted) (shmid=0) >> 2000000000900000-2000000000d00000 rw-s 00000000 00:09 32769 /SYSV00000000 (deleted) (shmid=32769) > ^^^^^ ^^^^^ > > shmid is already in place, and no, it's not a coincidence ;-) Oops, Thanks very good information. I'll drop this patch :)