Re: [PATCH] x86: do not free zero sized per cpu areas

[H. Peter Anvin]

On 03/19/2010 12:24 PM, Yinghai Lu wrote:
> From: Ian Campbell <ian.campbell@xxxxxxxxxx>
> 
> This avoids an infinite loop in free_early_partial().
> 
> Add a warning to free_early_partial to catch future problems.

Wouldn't it make more sense to simply make free_early_partial() a noop
for the zero range, instead of pushing all those tests into the callers?
 It still might make sense to have a WARN_ONCE() for a *negative* range,
however...

	-hpa
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