linux-kernel - Re: [EXT] Re: [PATCH net v3] octeontx2-af: Initialize maps.

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Date: Thu, 1 Feb 2024 08:27:17 -0800
From: Jakub Kicinski <kuba@...nel.org>
To: Ratheesh Kannoth <rkannoth@...vell.com>
Cc: Simon Horman <horms@...nel.org>, "netdev@...r.kernel.org"
 <netdev@...r.kernel.org>, "linux-kernel@...r.kernel.org"
 <linux-kernel@...r.kernel.org>, Sunil Kovvuri Goutham
 <sgoutham@...vell.com>, "davem@...emloft.net" <davem@...emloft.net>,
 "edumazet@...gle.com" <edumazet@...gle.com>, "pabeni@...hat.com"
 <pabeni@...hat.com>, "bcreeley@....com" <bcreeley@....com>, Subbaraya
 Sundeep Bhatta <sbhatta@...vell.com>, Geethasowjanya Akula
 <gakula@...vell.com>, Hariprasad Kelam <hkelam@...vell.com>, Suman Ghosh
 <sumang@...vell.com>
Subject: Re: [EXT] Re: [PATCH net v3] octeontx2-af: Initialize maps.

On Thu, 1 Feb 2024 09:35:15 +0000 Ratheesh Kannoth wrote:
> > The use of bitmap_zalloc()/bitmap_free() looks good to me.
> > But for the kmalloc_array(..., GFP_KERNEL | __GFP_ZERO) cases I think
> > kcalloc() is the way to go.  
> Kcalloc() is a wrapper around kmalloc_array().  Why do you think kcalloc()
> Is better ?

AFAICT this is not the first time you're questioning Simon's obviously
correct feedback. Are you genuinely asking for an explanation why
kcalloc() is better than kmalloc_array()? It's an equivalent to 
the standard C function, calloc().

The reviewers are the most valuable part of this community, we will 
not take frustrating them lightly :|