Re: [PATCH] Change ZERO_SIZE_PTR to point at unmapped space

Linus Torvalds
2009-05-30T22:29:17Z

On Sat, 30 May 2009, Larry H. wrote:
>
> The ZERO_OR_NULL_PTR macro is changed accordingly. This patch does
> not modify its behavior nor has any performance nor functionality
> impact.

I'm sure it makes a code generation difference, with (a) big constants and
(b) no longer possible to merge the conditional into one single one.

Linus