linux-kernel - Re: [PATCH 05/14] RDMA/efa: drop double zeroing

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Message-ID: <ee835ad6-c1fc-cd48-fc70-f42e2ded3ac0@amazon.com>
Date:   Mon, 21 Sep 2020 10:13:43 +0300
From:   Gal Pressman <galpress@...zon.com>
To:     Julia Lawall <Julia.Lawall@...ia.fr>
CC:     <kernel-janitors@...r.kernel.org>,
        Yossi Leybovich <sleybo@...zon.com>,
        Doug Ledford <dledford@...hat.com>,
        Jason Gunthorpe <jgg@...pe.ca>, <linux-rdma@...r.kernel.org>,
        <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH 05/14] RDMA/efa: drop double zeroing

On 20/09/2020 14:26, Julia Lawall wrote:
> sg_init_table zeroes its first argument, so the allocation of that argument
> doesn't have to.
> 
> the semantic patch that makes this change is as follows:
> (http://coccinelle.lip6.fr/)
> 
> // <smpl>
> @@
> expression x,n,flags;
> @@
> 
> x = 
> - kcalloc
> + kmalloc_array
>   (n,sizeof(*x),flags)
> ...
> sg_init_table(x,n)
> // </smpl>
> 
> Signed-off-by: Julia Lawall <Julia.Lawall@...ia.fr>

Thanks Julia,
Acked-by: Gal Pressman <galpress@...zon.com>