Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1750779AbVJAJf1 (ORCPT ); Sat, 1 Oct 2005 05:35:27 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1750782AbVJAJf1 (ORCPT ); Sat, 1 Oct 2005 05:35:27 -0400 Received: from pentafluge.infradead.org ([213.146.154.40]:29656 "EHLO pentafluge.infradead.org") by vger.kernel.org with ESMTP id S1750779AbVJAJf0 (ORCPT ); Sat, 1 Oct 2005 05:35:26 -0400 Subject: RE: RH30: Virtual Mem shot heavily by locale-archive... From: Arjan van de Ven To: Arijit Das Cc: Alan Cox , linux-kernel@vger.kernel.org In-Reply-To: <7EC22963812B4F40AE780CF2F140AFE916831E@IN01WEMBX1.internal.synopsys.com> References: <7EC22963812B4F40AE780CF2F140AFE916831E@IN01WEMBX1.internal.synopsys.com> Content-Type: text/plain Date: Sat, 01 Oct 2005 11:35:15 +0200 Message-Id: <1128159315.2916.1.camel@laptopd505.fenrus.org> Mime-Version: 1.0 X-Mailer: Evolution 2.2.3 (2.2.3-2.fc4) Content-Transfer-Encoding: 7bit X-Spam-Score: 2.9 (++) X-Spam-Report: SpamAssassin version 3.0.4 on pentafluge.infradead.org summary: Content analysis details: (2.9 points, 5.0 required) pts rule name description ---- ---------------------- -------------------------------------------------- 0.1 RCVD_IN_SORBS_DUL RBL: SORBS: sent directly from dynamic IP address [80.57.133.107 listed in dnsbl.sorbs.net] 2.8 RCVD_IN_DSBL RBL: Received via a relay in list.dsbl.org [] X-SRS-Rewrite: SMTP reverse-path rewritten from by pentafluge.infradead.org See http://www.infradead.org/rpr.html Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 786 Lines: 18 On Sat, 2005-10-01 at 14:49 +0530, Arijit Das wrote: > Shared mappings are represented in /proc//maps file as having 's' > as its last permission field like r-xs (shared readable and executable > region) > > But in this case, the perm bits are r--p which says that it is private > rather than shared. Any idea whatz happening here...? what is the problem?????? private mappings don't take up "extra" memory *unless you write to them* due to copy-on-write behavior of the kernel. r--p means you can't write.... so what's the problem.. - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/