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From: Hugh Dickins <hugh@veritas.com>
To: Andrew Morton <akpm@zip.com.au>
Cc: Andrea Arcangeli <andrea@suse.de>,
	Stephan von Krawczynski <skraw@ithnet.com>,
	jogi@planetzork.ping.de, linux-kernel@vger.kernel.org
Subject: Re: 2.4.10-pre11: alsaplayer skiping during kernel build (-pre10 did  not)
Date: Wed, 19 Sep 2001 13:37:48 +0100 (BST)	[thread overview]
Message-ID: <Pine.LNX.4.21.0109191330270.1489-100000@localhost.localdomain> (raw)
In-Reply-To: <3BA7A853.4EC44195@zip.com.au>

On Tue, 18 Sep 2001, Andrew Morton wrote:
> 
> With the above fixed, the main source of latency is
> /proc/meminfo->si_swapinfo(). It's about five milliseconds per gig
> of swap, which isn't too bad.  But it's directly invokable by
> userspace (ie: /usr/bin/top) and really should be made less dumb.

Don't worry about this one, fix is included in patch I posted last
Saturday, and will be rebasing, breaking up and submitting to Linus
in a couple(?) of days.  Basically, Zach Brown's patch to use
nr_swap_pages and total_swap_pages, but in rare case of concurrent
swapoff, does need to scan that swap_map (with appropriate locking)
to give sensible numbers without strange negatives at that time.

Hugh


  parent reply	other threads:[~2001-09-19 12:36 UTC|newest]

Thread overview: 16+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2001-09-18 15:14 jogi
2001-09-18 15:25 ` Andrea Arcangeli
2001-09-18 15:35   ` jogi
2001-09-18 15:44     ` Andrea Arcangeli
2001-09-18 15:51       ` jogi
2001-09-18 16:06       ` jogi
2001-09-18 19:28       ` Stephan von Krawczynski
2001-09-18 19:41         ` Andrea Arcangeli
2001-09-18 20:02           ` Andrew Morton
2001-09-18 20:18             ` Andrea Arcangeli
2001-09-19 12:37             ` Hugh Dickins [this message]
2001-09-19 13:21       ` jogi
2001-09-19 14:38       ` jogi
2001-09-18 15:25 ` jogi
2001-09-18 15:31   ` Andrea Arcangeli
2001-09-18 15:43     ` jogi

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