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Re: md: Combine two kmalloc() calls into one in sb_equal()

From Joe Perches <joe@perches.com>
Newsgroups linux.kernel
Subject Re: md: Combine two kmalloc() calls into one in sb_equal()
Date 2016-12-09 22:00 +0100
Message-ID <sMAqS-7Wr-5@gated-at.bofh.it> (permalink)
References <sMyfo-6Hl-13@gated-at.bofh.it> <sMyIp-77f-13@gated-at.bofh.it> <sMzEu-7FZ-13@gated-at.bofh.it>
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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.

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[PATCH] md: Combine two kmalloc() calls into one in sb_equal() SF Markus Elfring <elfring@users.sourceforge.net> - 2016-12-09 19:40 +0100
  Re: [PATCH] md: Combine two kmalloc() calls into one in sb_equal() Joe Perches <joe@perches.com> - 2016-12-09 20:10 +0100
    Re: md: Combine two kmalloc() calls into one in sb_equal() SF Markus Elfring <elfring@users.sourceforge.net> - 2016-12-09 21:10 +0100
      Re: md: Combine two kmalloc() calls into one in sb_equal() Joe Perches <joe@perches.com> - 2016-12-09 22:00 +0100
    Re: [PATCH] md: Combine two kmalloc() calls into one in sb_equal() Al Viro <viro@ZenIV.linux.org.uk> - 2016-12-09 22:40 +0100
      Re: [PATCH] md: Combine two kmalloc() calls into one in sb_equal() Joe Perches <joe@perches.com> - 2016-12-09 23:00 +0100
  Re: [PATCH] md: Combine two kmalloc() calls into one in sb_equal() Bernd Schubert <bernd.schubert@fastmail.fm> - 2016-12-09 20:20 +0100
    Re: md: Combine two kmalloc() calls into one in sb_equal() SF Markus Elfring <elfring@users.sourceforge.net> - 2016-12-09 21:00 +0100
      Re: md: Combine two kmalloc() calls into one in sb_equal() Bernd Schubert <bernd.schubert@fastmail.fm> - 2016-12-09 22:20 +0100
        Re: md: Combine two kmalloc() calls into one in sb_equal() SF Markus Elfring <elfring@users.sourceforge.net> - 2016-12-09 23:00 +0100
          Re: md: Combine two kmalloc() calls into one in sb_equal() Bernd Schubert <bernd.schubert@fastmail.fm> - 2016-12-09 23:10 +0100

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