Re: [PATCH v3] mm: make expand_downwards symmetrical toexpand_upwards

[David Rientjes]

On Thu, 21 Apr 2011, James Bottomley wrote:

> >  - parisc: James has already queued "parisc: set memory ranges in 
> >    N_NORMAL_MEMORY when onlined" for 2.6.39, so all he needs now is 
> >    to merge a hybrid of the Kconfig changes requiring CONFIG_NUMA for 
> >    CONFIG_DISCONTIGMEM from KOSAKI-san and myself which also fix the 
> >    compile issues,
> 
> Not quite: if we go this route, we need to sort out our CPU scheduling
> problem as well ... as I said, I don't think we've got all the necessary
> numa machinery in place yet.
> 

Ok, it seems like there're two options for this release cycle:

 (1) merge the patch that enables CONFIG_NUMA for DISCONTIGMEM but only 
     do so if CONFIG_SLUB is enabled to avoid the build error, or

 (2) disallow CONFIG_SLUB for parisc with DISCONTIGMEM.
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