linux-kernel - Re: [PATCH 2/5] locking/rwsem: Prevent potential lock starvation

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Message-ID: <20201120144438.GG3040@hirez.programming.kicks-ass.net>
Date:   Fri, 20 Nov 2020 15:44:38 +0100
From:   Peter Zijlstra <peterz@...radead.org>
To:     Waiman Long <longman@...hat.com>
Cc:     Ingo Molnar <mingo@...hat.com>, Will Deacon <will@...nel.org>,
        linux-kernel@...r.kernel.org, Davidlohr Bueso <dave@...olabs.net>,
        Phil Auld <pauld@...hat.com>
Subject: Re: [PATCH 2/5] locking/rwsem: Prevent potential lock starvation

On Tue, Nov 17, 2020 at 10:04:26PM -0500, Waiman Long wrote:
> +	long rcnt = (count >> RWSEM_READER_SHIFT);	/* Reader count */

I'm thinking you can do without that comment, the variable name is clear
enough.