Re: [PATCH][for -mm] per-zone and reclaim enhancements for memory controller take 3 [3/10] per-zone active inactive counter

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On Thu, 29 Nov 2007 11:24:06 +0900
KAMEZAWA Hiroyuki <kamezawa.hiroyu@xxxxxxxxxxxxxx> wrote:

> On Thu, 29 Nov 2007 10:37:02 +0900
> KAMEZAWA Hiroyuki <kamezawa.hiroyu@xxxxxxxxxxxxxx> wrote:
> 
> > Maybe zonelists of NODE_DATA() is not initialized. you are right.
> > I think N_HIGH_MEMORY will be suitable here...(I'll consider node-hotplug case later.)
> > 
> > Thank you for test!
> > 
> Could you try this ? 
> 
Sorry..this can be a workaround but I noticed I miss something..

ok, just use N_HIGH_MEMORY here and add comment for hotplugging support is not yet.

Christoph-san, Lee-san, could you confirm following ?

- when SLAB is used, kmalloc_node() against offline node will success.
- when SLUB is used, kmalloc_node() against offline node will panic.

Then, the caller should take care that node is online before kmalloc().

Regards,
-Kame 

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