Re: [RFC 2/3] arm64/hugetlb: Enable HUGETLB_PAGE_SIZE_VARIABLE

2021-02-05 Thread Anshuman Khandual
On 2/5/21 1:50 PM, David Hildenbrand wrote: > On 04.02.21 08:01, Anshuman Khandual wrote: >> MAX_ORDER which invariably depends on FORCE_MAX_ZONEORDER can be a variable >> for a given page size, depending on whether TRANSPARENT_HUGEPAGE is enabled >> or not. In certain page size and THP

Re: [RFC 2/3] arm64/hugetlb: Enable HUGETLB_PAGE_SIZE_VARIABLE

2021-02-05 Thread David Hildenbrand
On 04.02.21 08:01, Anshuman Khandual wrote: MAX_ORDER which invariably depends on FORCE_MAX_ZONEORDER can be a variable for a given page size, depending on whether TRANSPARENT_HUGEPAGE is enabled or not. In certain page size and THP combinations HUGETLB_PAGE_ORDER can be greater than MAX_ORDER,

[RFC 2/3] arm64/hugetlb: Enable HUGETLB_PAGE_SIZE_VARIABLE

2021-02-03 Thread Anshuman Khandual
MAX_ORDER which invariably depends on FORCE_MAX_ZONEORDER can be a variable for a given page size, depending on whether TRANSPARENT_HUGEPAGE is enabled or not. In certain page size and THP combinations HUGETLB_PAGE_ORDER can be greater than MAX_ORDER, making it unusable as pageblock_order. This