From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751715AbaHPPmh (ORCPT ); Sat, 16 Aug 2014 11:42:37 -0400 Received: from atrey.karlin.mff.cuni.cz ([195.113.26.193]:44947 "EHLO atrey.karlin.mff.cuni.cz" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751530AbaHPPmf (ORCPT ); Sat, 16 Aug 2014 11:42:35 -0400 Date: Sat, 16 Aug 2014 17:42:30 +0200 From: Pavel Machek To: Pali Roh?r Cc: "Rafael J. Wysocki" , Len Brown , Randy Dunlap , linux-pm@vger.kernel.org, linux-doc@vger.kernel.org, linux-kernel@vger.kernel.org Subject: Re: [PATCH] Documentation: power: swsusp: Fix script for unswapping Message-ID: <20140816154230.GB12400@Nokia-N900> References: <1399374116-12400-1-git-send-email-pali.rohar@gmail.com> MIME-Version: 1.0 Content-Type: text/plain; charset=iso-8859-1 Content-Disposition: inline Content-Transfer-Encoding: 8bit In-Reply-To: <1399374116-12400-1-git-send-email-pali.rohar@gmail.com> User-Agent: Mutt/1.5.20 (2009-06-14) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Tue 2014-05-06 13:01:56, Pali Roh?r wrote: > System can have mmaped also character devices (e.g dri devices by X) or deleted > files. Running cat on character devices is really bad idea (system can hang) so > run cat only on regular files. Also mmaped files can have spaces in filenames. > > Signed-off-by: Pali Rohár Acked-by: Pavel Machek > --- > Documentation/power/swsusp.txt | 5 ++++- > 1 file changed, 4 insertions(+), 1 deletion(-) > > diff --git a/Documentation/power/swsusp.txt b/Documentation/power/swsusp.txt > index 079160e..f732a83 100644 > --- a/Documentation/power/swsusp.txt > +++ b/Documentation/power/swsusp.txt > @@ -220,7 +220,10 @@ Q: After resuming, system is paging heavily, leading to very bad interactivity. > > A: Try running > > -cat `cat /proc/[0-9]*/maps | grep / | sed 's:.* /:/:' | sort -u` > /dev/null > +cat /proc/[0-9]*/maps | grep / | sed 's:.* /:/:' | sort -u | while read file > +do > + test -f "$file" && cat "$file" > /dev/null > +done > > after resume. swapoff -a; swapon -a may also be useful. > > -- > 1.7.9.5 -- (english) http://www.livejournal.com/~pavelmachek (cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html