From: Hugh Dickins <firstname.lastname@example.org> To: Andrew Morton <email@example.com> Cc: Andrea Arcangeli <firstname.lastname@example.org>, Stephan von Krawczynski <email@example.com>, firstname.lastname@example.org, email@example.com 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.firstname.lastname@example.org> (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
next prev 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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