Re: [PATCH 05/11] memblock: Introduce allocation order to memblock.

2013-09-05 Thread Tang Chen
Hi Wanpeng, On 09/05/2013 05:16 PM, Wanpeng Li wrote: .. +/* Allocation order. */ How about replace "Allocation order" by "Allocation sequence". The "Allocation order" is ambiguity. Yes, order is ambiguity. But as tj suggested, I think maybe "direction" is better. Thanks. :) -- To u

[PATCH 05/11] memblock: Introduce allocation order to memblock.

2013-08-27 Thread Tang Chen
The Linux kernel cannot migrate pages used by the kernel. As a result, kernel pages cannot be hot-removed. So we cannot allocate hotpluggable memory for the kernel. ACPI SRAT (System Resource Affinity Table) contains the memory hotplug info. But before SRAT is parsed, memblock has already started