Re: [PATCH 2/2] Add a thread cpu time implementation to vDSO
From: Peter Zijlstra
Date: Tue Dec 13 2011 - 13:54:42 EST
On Tue, 2011-12-13 at 10:15 -0800, Arun Sharma wrote:
> On 12/13/11 12:52 AM, Peter Zijlstra wrote:
> > On Mon, 2011-12-12 at 14:14 -0800, Arun Sharma wrote:
> >
> >>> But really most modern distros have NR_CPUS> 64
> >>
> >> Is 256 the new 64? :)
> >
> > 4096 in fact.
>
> Not sure if you're asking for vsyscall support for NR_CPUS=4096 case or
> just a compile fix + disabled vsyscall is ok.
I'm saying distros tend to compile with NR_CPUS=4096, so if you
auto-disable the feature for that, it effectively doesn't exist.
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/