From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from psmtp.com (na3sys010amx169.postini.com [74.125.245.169]) by kanga.kvack.org (Postfix) with SMTP id 975C06B004D for ; Thu, 15 Mar 2012 16:19:15 -0400 (EDT) Date: Thu, 15 Mar 2012 13:19:13 -0700 From: Andrew Morton Subject: Re: Too much free memory (not used for FS cache) Message-Id: <20120315131913.657d4f3d.akpm@linux-foundation.org> In-Reply-To: <4F624C88.6050503@suse.cz> References: <4F624C88.6050503@suse.cz> Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Sender: owner-linux-mm@kvack.org List-ID: To: Jiri Slaby Cc: linux-mm@kvack.org, Jiri Slaby , LKML On Thu, 15 Mar 2012 21:09:44 +0100 Jiri Slaby wrote: > since today's -next (20120315), the MM/VFS system is very sluggish. > Especially when committing, diffing and similar with git. I still have > 2G of 6G of memory free. But with each commit I have to wait for git to > fetch all data from disk. > > I'm using ext4 on a raid for the partition with git kernel repository if > that matters. > > Any idea what that could be? The last mm->next update was March 5th so it won't be from stuff in the -mm queue. Are you sure it's reclaim-related? Perhaps something in the IO system got slow? -- 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/ . Fight unfair telecom internet charges in Canada: sign http://stopthemeter.ca/ Don't email: email@kvack.org