linux-kernel - Re: Too much free memory (not used for FS cache)

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [day] [month] [year] [list]

Message-Id: <20120315131913.657d4f3d.akpm@linux-foundation.org>
Date:	Thu, 15 Mar 2012 13:19:13 -0700
From:	Andrew Morton <akpm@...ux-foundation.org>
To:	Jiri Slaby <jslaby@...e.cz>
Cc:	linux-mm@...ck.org, Jiri Slaby <jirislaby@...il.com>,
	LKML <linux-kernel@...r.kernel.org>
Subject: Re: Too much free memory (not used for FS cache)

On Thu, 15 Mar 2012 21:09:44 +0100
Jiri Slaby <jslaby@...e.cz> 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 from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/