Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752694AbaKGNHm (ORCPT ); Fri, 7 Nov 2014 08:07:42 -0500 Received: from dovecot.logic.tuwien.ac.at ([128.130.175.61]:52980 "EHLO mail.logic.tuwien.ac.at" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751662AbaKGNHZ (ORCPT ); Fri, 7 Nov 2014 08:07:25 -0500 Date: Fri, 7 Nov 2014 22:07:17 +0900 From: Norbert Preining To: Vlastimil Babka Cc: David Rientjes , linux-kernel@vger.kernel.org Subject: Re: khugepaged / firefox going wild in 3.18-rc Message-ID: <20141107130717.GF11838@auth.logic.tuwien.ac.at> References: <20141104232027.GO13232@auth.logic.tuwien.ac.at> <20141105001026.GQ13232@auth.logic.tuwien.ac.at> <20141105001243.GR13232@auth.logic.tuwien.ac.at> <545B68C9.2060107@suse.cz> <20141106123904.GU11838@auth.logic.tuwien.ac.at> <545B71A8.6030209@suse.cz> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <545B71A8.6030209@suse.cz> User-Agent: Mutt/1.5.21 (2010-09-15) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Hi Vlastimil, On Thu, 06 Nov 2014, Vlastimil Babka wrote: > OK, one possibility is to do (it should apply cleanly) > git revert e14c720efdd73c6d69cd8d07fa894bcd11fe1973 I am running with this reverted now, and I cannot reproduce the khugepage going overboard anymore. I tried hard since 2 days now, no chance to reproduce. Before firefox or shotwell went into boom mode, but not now. (For now!) > > Again, as I mentioned, I don't have /proc/pid/stack for any "pid", is > > this depending on some specific kerenl option? > > Ah I missed that. Should be CONFIG_STACKTRACE to enable that. If you want, I can compile a "default" kernel without the above commit reverted, and turn on STACKTRACE (I have turned it one for *all* future kernels I compile ;-) I also didn't try the patch you send me, just the revert from above. Please let me know which other experiments you want to see. Thanks Norbert ------------------------------------------------------------------------ PREINING, Norbert http://www.preining.info JAIST, Japan TeX Live & Debian Developer GPG: 0x860CDC13 fp: F7D8 A928 26E3 16A1 9FA0 ACF0 6CAC A448 860C DC13 ------------------------------------------------------------------------ -- 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/