linux-kernel - Re: md: Combine two kmalloc() calls into one in sb

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Date:   Fri, 09 Dec 2016 12:51:56 -0800
From:   Joe Perches <joe@...ches.com>
To:     SF Markus Elfring <elfring@...rs.sourceforge.net>
Cc:     linux-raid@...r.kernel.org, Shaohua Li <shli@...nel.org>,
        LKML <linux-kernel@...r.kernel.org>,
        kernel-janitors@...r.kernel.org
Subject: Re: md: Combine two kmalloc() calls into one in sb_equal()

On Fri, 2016-12-09 at 21:05 +0100, SF Markus Elfring wrote:
> > 	tmp1 = kmemdup(sb1, MD_SB_GENERIC_CONSTANT_WORDS * sizeof(__u32), GFP_KERNEL);
> 
> Is a function available in the Linux programming interface which would duplicate
> the beginning of two array elements in a single call directly?

No.  If there were, there would be a good argument to remove it.