Messages in this thread | | | Date | Sun, 17 Dec 2006 10:02:58 +0900 | From | KAMEZAWA Hiroyuki <> | Subject | Re: [PATCH][2.6.20-rc1-mm1] sparsemem vmem_map optimzed pfn_valid() [0/2] |
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On Sat, 16 Dec 2006 10:38:53 -0800 (PST) Christoph Lameter <clameter@sgi.com> wrote:
> On Sat, 16 Dec 2006, KAMEZAWA Hiroyuki wrote: > > > By this, we'll not access mem_section[] in usual ops. > > Why do we need mem_section? We have a page table that fulfills the same > role. > Basically, we don't need it. But I use mem_section[] in bootstrap and I want to keep patches small in this time. I think it's not too late that we'll consider removing it after implementing memory hot unplug.(and confirm we never use it.)
-Kame
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