Re: [PATCH] proc: use #pragma once

[Christoph Hellwig]

On Thu, Apr 26, 2018 at 12:26:29PM +0200, David Sterba wrote:
> There are about 20k header files, none of them has #pragma once.
> Updating that will bring many unnesessry git commits.
> 
> I doubt that one more define in preprocessor tables is a problem we
> should fix. The LOC argument also does not sound very convincing. The
> include protection is at the top of the file, not mixed among other
> code. Replacing 2-3 lines with one will be barely noticeable.

Let's put it another way:  does this make any noticable difference
for compile times?