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On Wed, Dec 16, 2009 at 07:42:34 -0600, Jay Faulkner wrote:
> On Wed, Dec 16, 2009 at 22:43:44 +1100, Simon Horman wrote:
> > On Wed, Dec 16, 2009 at 10:07:33 +0200, Aleksey Chudov wrote:
> > > I have 2.6.31.2 kernel and it seems like code was changed and there is no
> > > msleep_interruptible in net/netfilter/ipvs/ip_vs_sync.c
> >
> > Completely untested, but I think that this will have the
> > effect that you are after.
> >
> > diff --git a/net/netfilter/ipvs/ip_vs_sync.c
> > b/net/netfilter/ipvs/ip_vs_sync.c
> > index e177f0d..20b05db 100644
> > --- a/net/netfilter/ipvs/ip_vs_sync.c
> > +++ b/net/netfilter/ipvs/ip_vs_sync.c
> > @@ -757,7 +757,7 @@ static int sync_thread_master(void *data)
> > ip_vs_sync_buff_release(sb);
> > }
> >
> > - schedule_timeout_interruptible(HZ);
> > + schedule_timeout_interruptible(HZ/10);
> > }
> >
> > /* clean up the sync_buff queue */
>
> How does this work with people using the NoHZ kernels?
Hi Jay,
I believe that the code will work as expected on NO_HZ=y kernels.
This is because the timer will be scheduled as needed. My understanding
being that the difference that NO_HZ=y gives is that the kernel won't wake
up at a clock-tick if no timers are set in that slot.
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