linux-kernel - Re: Interactivity regression since v3.11 in mm/vmscan.c

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

Message-ID: <CA+55aFxu2agkdu1ixbUP_XGy0ckyyOP_jOQ=LyyMRiVfAgS_NA@mail.gmail.com>
Date:	Sun, 8 Jun 2014 14:33:16 -0700
From:	Linus Torvalds <torvalds@...ux-foundation.org>
To:	zhdxzx@...a.com
Cc:	Felipe Contreras <felipe.contreras@...il.com>,
	Michal Hocko <mhocko@...e.cz>,
	linux-kernel <linux-kernel@...r.kernel.org>,
	"linux-mm@...ck.org" <linux-mm@...ck.org>,
	Andrew Morton <akpm@...ux-foundation.org>,
	Mel Gorman <mgorman@...e.de>, dhillf <dhillf@...il.com>,
	"hillf.zj" <hillf.zj@...baba-inc.com>
Subject: Re: Interactivity regression since v3.11 in mm/vmscan.c

On Sat, Jun 7, 2014 at 11:24 AM, Linus Torvalds
<torvalds@...ux-foundation.org> wrote:
>
> Comments? Mel, this code is mostly attributed to you, I'd like to hear
> what you think in particular.

In the meantime, I've removed the "nr_unqueued_dirty == nr_taken"
check for congestion_wait(), since I can't see how it can possibly be
sensible, and Felipe confirmed that it fixes his interactivity issue.

Nobody commented on it, but let's see if we get reactions to the
behavior changing..

             Linus
--
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/