[lkml]   [2002]   [Jan]   [8]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
Messages in this thread
SubjectRe: [2.4.17/18pre] VM and swap - it's really unusable
On January 8, 2002 10:08 pm, Rik van Riel wrote:
> On Tue, 8 Jan 2002, Daniel Phillips wrote:
> > The preemptible kernel can reschedule, on average, sooner than the
> > scheduling-point kernel, which has to wait for a scheduling point to
> > roll around.
> The preemptible kernel ALSO has to wait for a scheduling point
> to roll around, since it cannot preempt with spinlocks held.

Think about the relative amount of time spent inside spinlocks vs regular

> Considering this, I don't see much of an advantage to adding
> kernel preemption.

And now?

To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to
More majordomo info at
Please read the FAQ at

 \ /
  Last update: 2005-03-22 13:15    [W:0.241 / U:0.188 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site