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Date: Wed, 1 Mar 2017 21:10:58 +0900
From: Byungchul Park <byungchul.park@lge.com>
Subject: Re: [PATCH v5 06/13] lockdep: Implement crossrelease feature
Message-ID: <20170301121058.GJ11663@X58A-UD3R>
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Sender: owner-linux-mm@kvack.org
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To: Peter Zijlstra <peterz@infradead.org>
Cc: mingo@kernel.org, tglx@linutronix.de, walken@google.com, boqun.feng@gmail.com, kirill@shutemov.name, linux-kernel@vger.kernel.org, linux-mm@kvack.org, iamjoonsoo.kim@lge.com, akpm@linux-foundation.org, npiggin@gmail.com, kernel-team@lge.com

On Wed, Mar 01, 2017 at 11:45:48AM +0100, Peter Zijlstra wrote:
> On Wed, Mar 01, 2017 at 01:40:33PM +0900, Byungchul Park wrote:
> 
> > Right. I decided to force MAX_XHLOCKS_NR to be power of 2 and everything
> > became easy. Thank you very much.
> 
> Something like:
> 
> 	BUILD_BUG_ON(MAX_XHLOCKS_NR & (MAX_XHLOCK_NR - 1));
> 
> Should enforce I think.

Good idea! Thank you very much.

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