Re: [RFC][PATCH 0/5] Signal scalability series

From: Oleg Nesterov
Date: Tue Oct 04 2011 - 14:17:57 EST

On 10/04, Linus Torvalds wrote:
> On Tue, Oct 4, 2011 at 10:14 AM, Oleg Nesterov <oleg@xxxxxxxxxx> wrote:
> >
> > Whatever we do with the locking, this can't remove O(nr_threads),
> > although read_lock() could help to reduce the contention.
> Read locks often make things worse.

Yes, yes, I see, thanks.

I meant that probably "more concurrency" was the reason for rwlock
this series adds.


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