linux-kernel - Re: [RFC PATCH v7 06/23] bitops: Introduce find_next_or

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Date:   Wed, 2 Sep 2020 22:13:46 -0700
From:   Randy Dunlap <rdunlap@...radead.org>
To:     Julien Desfossez <jdesfossez@...italocean.com>,
        Peter Zijlstra <peterz@...radead.org>,
        Vineeth Pillai <viremana@...ux.microsoft.com>,
        Joel Fernandes <joelaf@...gle.com>,
        Tim Chen <tim.c.chen@...ux.intel.com>,
        Aaron Lu <aaron.lwe@...il.com>,
        Aubrey Li <aubrey.intel@...il.com>,
        Dhaval Giani <dhaval.giani@...cle.com>,
        Chris Hyser <chris.hyser@...cle.com>,
        Nishanth Aravamudan <naravamudan@...italocean.com>
Cc:     mingo@...nel.org, tglx@...utronix.de, pjt@...gle.com,
        torvalds@...ux-foundation.org, linux-kernel@...r.kernel.org,
        fweisbec@...il.com, keescook@...omium.org, kerrnel@...gle.com,
        Phil Auld <pauld@...hat.com>,
        Valentin Schneider <valentin.schneider@....com>,
        Mel Gorman <mgorman@...hsingularity.net>,
        Pawan Gupta <pawan.kumar.gupta@...ux.intel.com>,
        Paolo Bonzini <pbonzini@...hat.com>, joel@...lfernandes.org,
        vineeth@...byteword.org, Chen Yu <yu.c.chen@...el.com>,
        Christian Brauner <christian.brauner@...ntu.com>,
        Agata Gruza <agata.gruza@...el.com>,
        Antonio Gomez Iglesias <antonio.gomez.iglesias@...el.com>,
        graf@...zon.com, konrad.wilk@...cle.com, dfaggioli@...e.com,
        rostedt@...dmis.org, derkling@...gle.com, benbjiang@...cent.com
Subject: Re: [RFC PATCH v7 06/23] bitops: Introduce find_next_or_bit

On 8/28/20 12:51 PM, Julien Desfossez wrote:
> +#ifndef find_next_or_bit
> +/**
> + * find_next_or_bit - find the next set bit in any memory regions
> + * @addr1: The first address to base the search on
> + * @addr2: The second address to base the search on
> + * @offset: The bitnumber to start searching at

preferably         bit number

> + * @size: The bitmap size in bits
> + *
> + * Returns the bit number for the next set bit

 * Return: the bit number for the next set bit

for kernel-doc syntax.


> + * If no bits are set, returns @size.
> + */
> +extern unsigned long find_next_or_bit(const unsigned long *addr1,
> +		const unsigned long *addr2, unsigned long size,
> +		unsigned long offset);
> +#endif


thanks.
-- 
~Randy