Re: [PATCH 2.6.21-rc1-mm1] add check_highest_zone to build_zonelists_in_zone_order

[KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>]

On Wed, 16 May 2007 15:57:39 -0400
Lee Schermerhorn <Lee.Schermerhorn@hp.com> wrote:

> 
> [PATCH 2.6.21-rc1-mm1] add check_highest_zone to build_zonelists_in_zone_order
> 
> We missed this in the "change zone order" series.  We need to record
> the highest populated zone, just as build_zonelists_node() does.
> Memory policies apply only to this zone.  Without this, we'll be
> applying policy to all zones, including DMA, I think.  Not having
> thought about it much, I can't claim to understand the downside of
> doing so.
> 
> Also, display selected "policy zone" during boot or reconfig
> of zonelist order, if 'NUMA.  Inquiring minds [might] want to know...
> 
> Cleanup:  remove stale comment in set_zonelist_order()
> 
> Signed-off-by:  Lee Schermerhorn <lee.schermerhorn@hp.com>
>
Acked-By: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>

-Kame

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