[PATCH] arm64/hugetlb: Reserve CMA areas for gigantic pages on 16K and 64K configs

Robin Murphy robin.murphy at arm.com
Tue Jun 23 12:40:54 EDT 2020


On 2020-06-23 13:48, Anshuman Khandual wrote:
> 
> On 06/23/2020 02:54 PM, kernel test robot wrote:
>>     423		/*
>>     424		 * must be done after arm64_numa_init() which calls numa_init() to
>>     425		 * initialize node_online_map that gets used in hugetlb_cma_reserve()
>>     426		 * while allocating required CMA size across online nodes.
>>     427		 */
>>   > 428		arm64_hugetlb_cma_reserve();
> 
> Wrapping this call site with CONFIG_HUGETLB_PAGE solves the problem.

...although it might be nicer to include asm/hugetlb.h directly so that 
you can pick up the stub definition reliably.

Robin.



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