Re: [PATCH] perf: Rebase max unprivileged mlock threshold on topof page size
From: Frederic Weisbecker
Date: Wed Mar 30 2011 - 10:53:37 EST
On Wed, Mar 30, 2011 at 04:40:28PM +0200, Peter Zijlstra wrote:
> On Wed, 2011-03-30 at 16:04 +0200, Frederic Weisbecker wrote:
> > +int sysctl_perf_event_mlock __read_mostly = (129 * PAGE_SIZE) / 1024; /* 'free' kb per user */
>
> I'm fairly sure you don't want to do this either:
> 512 + (PAGE_SIZE / 1024)
> should do I think, there's no reason to further inflate things for large
> page platforms.
Right, that also requires to fix tools that use a default number of pages instead
of computing nr_pages on top of page size and a default kb size.
Will respin by fixing both sides.
Thanks.
--
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/