Hi KOSAKI,
On 1/24/08, KOSAKI Motohiro <[EMAIL PROTECTED]> wrote:
> +#define PROC_WAKEUP_GUARD (10*HZ)
[...]
> + timeout = info->last_proc_notify + PROC_WAKEUP_GUARD;
If only one or a few processes are using the system I think 10 seconds
is a little long time to wait before they get the no
On 1/17/08, KOSAKI Motohiro <[EMAIL PROTECTED]> wrote:
> Hi Daniel
>
> > > Thank you for good point out!
> > > Could you please post your test program and reproduced method?
> >
> > Sure:
> >
> > 1. Fill almost all available memory with page cache in a system without
> > swap.
> > 2. Run attached
On 1/16/08, Pavel Machek <[EMAIL PROTECTED]> wrote:
> On Wed 2008-01-16 02:13:32, Marcelo Tosatti wrote:
> > On Wed, Jan 16, 2008 at 10:57:16AM +0900, KOSAKI Motohiro wrote:
> > > Hi Pavel
> > >
> > > > > err = poll(&pollfds, 1, -1); // wake up at low memory
> > > > >
> > > > > ...
On 1/16/08, KOSAKI Motohiro <[EMAIL PROTECTED]> wrote:
> Hi Daniel
>
> > > > The notification fires after only ~100 MB allocated, i.e., when page
> > > > reclaim is beginning to nag from page cache. Isn't this a bit early?
> > > > Repeating the test with swap enabled results in a notification after
On 1/15/08, Rik van Riel <[EMAIL PROTECTED]> wrote:
>
> On Tue, 15 Jan 2008 23:55:17 +0100
> "Daniel Spång" <[EMAIL PROTECTED]> wrote:
>
> > The notification fires after only ~100 MB allocated, i.e., when page
> > reclaim is beginning to nag from pag
Hi,
On 1/15/08, KOSAKI Motohiro <[EMAIL PROTECTED]> wrote:
> the notification point to happen whenever the VM moves an
> anonymous page to the inactive list - this is a pretty good indication
> that there are unused anonymous pages present which will be very likely
> swapped out soon.
> +
On 9/28/07, linux-os (Dick Johnson) <[EMAIL PROTECTED]> wrote:
>
> On Fri, 28 Sep 2007, [iso-8859-1] Daniel Spång wrote:
>
> > On 9/28/07, linux-os (Dick Johnson) <[EMAIL PROTECTED]> wrote:
> >>
> >> On Fri, 28 Sep 2007, [iso-8859-1] Daniel Spång
On 9/28/07, linux-os (Dick Johnson) <[EMAIL PROTECTED]> wrote:
>
> On Fri, 28 Sep 2007, [iso-8859-1] Daniel Spång wrote:
>
> > On 9/28/07, linux-os (Dick Johnson) <[EMAIL PROTECTED]> wrote:
> >>
> >> But an embedded system contains all the software t
On 9/28/07, linux-os (Dick Johnson) <[EMAIL PROTECTED]> wrote:
>
> On Fri, 28 Sep 2007, [iso-8859-1] Daniel Spång wrote:
>
> > Applications with dynamic input and dynamic memory usage have some
> > issues with the current overcommitting kernel. A high memory usage
>
Applications with dynamic input and dynamic memory usage have some
issues with the current overcommitting kernel. A high memory usage
situation eventually results in that a process is killed by the OOM
killer. This is especially evident in swapless embedded systems with
limited memory and no swap a
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