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

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Message-ID: <e25d2f8a-8ee9-c541-dac4-a254502df293@users.sourceforge.net>
Date:   Fri, 9 Dec 2016 21:05:45 +0100
From:   SF Markus Elfring <elfring@...rs.sourceforge.net>
To:     Joe Perches <joe@...ches.com>
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()

> 	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?

Regards,
Markus