Re: [RFC PATCH 00/09] robust VM per_cpu variables

From: Christoph Lameter
Date: Wed May 17 2006 - 13:41:32 EST

On Wed, 17 May 2006, Steven Rostedt wrote:

> > Well I'd like to see a comprehensive solution including a fix for the
> > problems with allocper_cpu() allocations (allocper_cpu has to allocate
> > memory for potential processors... which could be a lot on
> > some types of systems and its allocated somewhere not on the nodes of the
> > processor since they may not yet be online).
> OK, now you're beyond what I'm working with ;) No hot plug CPUs for me.
> Well, at least not yet!

You need to at least consider how this could be handled by the per_cpu
memory manangement. The VM thingie with dynamic per cpu memory would allow
a fixup of allocpercpu.

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