Messages in this thread | | | Date | Fri, 22 Sep 2006 12:06:33 -0700 (PDT) | From | Christoph Lameter <> | Subject | Re: [PATCH] do not free non slab allocated per_cpu_pageset |
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On Fri, 22 Sep 2006, Andrew Morton wrote:
> > > > > I think I preferred my earlier fix, recently reworked as: > > > > The problem is though that the pcp pointers must point to the static pcp > > arrays for bootup to succeed under NUMA. Your patch may work under SMP. > > For NUMA you may zap pointers to valid static pcps. > > This is unclear to me. Do you mean "the pcps must be usable during > process_zones()'s call to kmalloc_node())" or do you mean "the pcps must > always be usable" (in which case more work needs to be done) or what?
The pcps must be usable during process_zones() for NUMA bootstrap. As far as I recall: A cpu is booted with the static arrays and later process_zones is replacing the references to the static arrays.
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