From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from psmtp.com (na3sys010amx120.postini.com [74.125.245.120]) by kanga.kvack.org (Postfix) with SMTP id 24ED76B002B for ; Thu, 8 Nov 2012 19:38:20 -0500 (EST) Date: Thu, 8 Nov 2012 16:38:18 -0800 From: Andi Kleen Subject: Re: [PATCH] Add a test program for variable page sizes in mmap/shmget v2 Message-ID: <20121109003818.GC2726@tassilo.jf.intel.com> References: <1352408486-4318-1-git-send-email-andi@firstfloor.org> <20121108132946.c2b9e8b7.akpm@linux-foundation.org> <20121108220150.GA2726@tassilo.jf.intel.com> <20121108140938.357228e0.akpm@linux-foundation.org> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20121108140938.357228e0.akpm@linux-foundation.org> Sender: owner-linux-mm@kvack.org List-ID: To: Andrew Morton Cc: Andi Kleen , linux-mm@kvack.org, Dave Young > > My test system didn't hang FWIW. > > It wasn't thuge-gen which hung. It happened really early in > run_vmtests, perhaps setting nr_hugepages. I mean it didn't hang for the full script. Ah this causes compaction so if you have a lot of fragmented memory it may run for a lot time with very long latencies, but inhibiting page faults of other processes. It probably would have recovered. it's a general problem that others are complaining about too. -Andi -- ak@linux.intel.com -- Speaking for myself only -- 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