[PATCH v7 2/5] mm: remove x86-only restriction of movable_node

Reza Arbab arbab at linux.vnet.ibm.com
Wed Nov 16 02:57:07 AEDT 2016


On Tue, Nov 15, 2016 at 12:35:42PM +0530, Aneesh Kumar K.V wrote:
>Considering that we now can mark memblock hotpluggable, do we need to
>enable the bottom up allocation for ppc64 also ?

No, we don't, because early_init_dt_scan_memory() marks the memblocks 
hotpluggable immediately when they are added. There is no gap between 
the addition and the marking, as there is on x86, during which an 
allocation might accidentally occur in a movable node.

-- 
Reza Arbab



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