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

2021-02-11 Thread Anshuman Khandual
On 2/11/21 1:31 PM, Christoph Hellwig wrote: > On Thu, Feb 11, 2021 at 11:52:10AM +0530, 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

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

2021-02-11 Thread Christoph Hellwig
On Thu, Feb 11, 2021 at 11:52:10AM +0530, 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

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

2021-02-10 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