Re: [PATCH/RFC] A method for clearing out page cache
From: Nish Aravamudan (nish.aravamudan_at_gmail.com)
Date: 02/21/05
- Previous message: Wichert Akkerman: "Re: 2.6.11rc4: irq 5, nobody cared"
- In reply to: Martin Hicks: "Re: [PATCH/RFC] A method for clearing out page cache"
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Date: Mon, 21 Feb 2005 13:52:56 -0800 To: Martin Hicks <mort@wildopensource.com>
On Mon, 21 Feb 2005 14:27:21 -0500, Martin Hicks
<mort@wildopensource.com> wrote:
>
> Hi,
>
> I've made a bunch of changes that Paul suggested. I've also responded
> to his concerns further down. Paul correctly pointed out that this
> patch uses some helper functions that are part of the cpusets patch. I
> should have mentioned this before.
<snip>
> This patch introduces a new sysctl for NUMA systems that tries to drop
> as much of the page cache as possible from a set of nodes. The
> motivation for this patch is for setting up High Performance Computing
> jobs, where initial memory placement is very important to overall
> performance.
<snip>
> + /* wait for the kernel threads to complete */
> + while (atomic_read(&num_toss_threads_active) > 0) {
> + __set_current_state(TASK_INTERRUPTIBLE);
> + schedule_timeout(10);
> + }
<snip>
Would it be possible to use msleep_interruptible() here? Or is it a
strict check every 10 ticks, regardless of HZ? Could a comment be
inserted indicating
which is the case?
Thanks,
Nish
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- Previous message: Wichert Akkerman: "Re: 2.6.11rc4: irq 5, nobody cared"
- In reply to: Martin Hicks: "Re: [PATCH/RFC] A method for clearing out page cache"
- Messages sorted by: [ date ] [ thread ] [ subject ] [ author ]
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