Re: [patch 0/9] vmalloc fixes and improvements

[Linus Torvalds <torvalds@linux-foundation.org>]

On Sat, 8 Nov 2008, Nick Piggin wrote:
> 
> I thought when there is no From in the body, then it defaults to the first
> Signed-off-by:

Nope. It defaults to the sender. The first signed-off is _usually_ the 
right choice, and you can use that as a sanity double-check, but I really 
avoid using it for authorship. We actually did that at one point, and it 
was reasonably often seriously screwed up and mis-attributed things.

[ It happened either because the first point in the chain had been some 
  trivial thing that got picked up without sign-off, or because the patch 
  had actually gone back-and-forth and the author signed off after testing 
  or improvements.

  The first case has been getting fairly rare as people get so used to 
  sign-offs, but it still happens. The second case has always been pretty 
  rare, but I'd still rather have it as a "sanity check" than a "blind 
  heuristic" ]

			Linus

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