linux-kernel - Re: [PATCH] carl9170: Use the bitmap API when applicable

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Date:   Fri, 3 Dec 2021 08:57:23 +0100
From:   Christian Lamparter <chunkeey@...il.com>
To:     Christophe JAILLET <christophe.jaillet@...adoo.fr>,
        chunkeey@...glemail.com, kvalo@...eaurora.org, davem@...emloft.net,
        kuba@...nel.org
Cc:     linux-wireless@...r.kernel.org, netdev@...r.kernel.org,
        linux-kernel@...r.kernel.org, kernel-janitors@...r.kernel.org
Subject: Re: [PATCH] carl9170: Use the bitmap API when applicable

On 01/12/2021 23:05, Christophe JAILLET wrote:
> Use 'bitmap_zalloc()' to simplify code, improve the semantic and avoid some
> open-coded arithmetic in allocator arguments.
> 
> Note, that this 'bitmap_zalloc()' divides by BITS_PER_LONG the amount of
> memory allocated.
> The 'roundup()' used to computed the number of needed long should have
> been a DIV_ROUND_UP.
> 
> 
> Also change the corresponding 'kfree()' into 'bitmap_free()' to keep
> consistency.
> 
> Use 'bitmap_zero()' to avoid hand writing it.
> 
> Signed-off-by: Christophe JAILLET <christophe.jaillet@...adoo.fr>
Acked-by: Christian Lamparter <chunkeey@...il.com>