Re: Linux 2.6.20-rc7

From: Linus Torvalds
Date: Wed Jan 31 2007 - 19:43:50 EST




On Wed, 31 Jan 2007, Andrew Morton wrote:
>
> It would be cleaner to check for negativity, but note that we keep
> subtracting stuff from free_pages in the later loop, so we'd need to check
> there as well.

Yeah, not worth it. I'll just revert it.

If we really want to do the micro-optimization that Nick was after, we can
just do

// 'min' is always positive
min = (unsigned long) min >> 1;

or something.

Linus
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