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SubjectRe: [PATCH v2 1/2] mm: Introduce common STRUCT_PAGE_MAX_SHIFT define
On Wed, Nov 07, 2018 at 01:54:32PM -0700, Logan Gunthorpe wrote:
> This define is used by arm64 to calculate the size of the vmemmap
> region. It is defined as the log2 of the upper bound on the size
> of a struct page.
>
> We move it into mm_types.h so it can be defined properly instead of
> set and checked with a build bug. This also allows us to use the same
> define for riscv.
>
> Signed-off-by: Logan Gunthorpe <logang@deltatee.com>
> Acked-by: Will Deacon <will.deacon@arm.com>
> Acked-by: Andrew Morton <akpm@linux-foundation.org>
> Cc: Catalin Marinas <catalin.marinas@arm.com>
> Cc: Arnd Bergmann <arnd@arndb.de>
> Cc: Christoph Hellwig <hch@lst.de>

Acked-by: Catalin Marinas <catalin.marinas@arm.com>

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