Re: [PATCH] Fix a race in pid generation that causes pids to bereused immediately.

From: Linus Torvalds
Date: Wed Jun 09 2010 - 18:21:39 EST




On Wed, 9 Jun 2010, Peter Zijlstra wrote:
>
> Isn't: return a - base < b - base, the natural way to express this?

Quite possibly. I'd worry about the overflow case a bit, but it's
certainly going to get the right value when base << MAX_INT.

Linus
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