[PATCH V3] mm: Generalize HUGETLB_PAGE_SIZE_VARIABLE

[Michael Ellerman]

Anshuman Khandual <anshuman.khandual at arm.com> writes:
> HUGETLB_PAGE_SIZE_VARIABLE need not be defined for each individual
> platform subscribing it. Instead just make it generic.
>
> Cc: Michael Ellerman <mpe at ellerman.id.au>
> Cc: Benjamin Herrenschmidt <benh at kernel.crashing.org>
> Cc: Paul Mackerras <paulus at samba.org>
> Cc: Andrew Morton <akpm at linux-foundation.org>
> Cc: Christoph Hellwig <hch at lst.de>
> Cc: Christophe Leroy <christophe.leroy at csgroup.eu>
> Cc: linux-ia64 at vger.kernel.org
> Cc: linuxppc-dev at lists.ozlabs.org
> Cc: linux-mm at kvack.org
> Cc: linux-kernel at vger.kernel.org
> Suggested-by: Christoph Hellwig <hch at lst.de>
> Signed-off-by: Anshuman Khandual <anshuman.khandual at arm.com>
> ---
> This change was originally suggested in an earilier discussion. This
> applies on v5.12-rc1 and has been build tested on all applicable
> platforms i.e ia64 and powerpc.
>
> https://patchwork.kernel.org/project/linux-mm/patch/1613024531-19040-3-git-send-email-anshuman.khandual@arm.com/
>
> Changes in V3:
>
> - Dropped the bool desciption that enabled user selection
> - Dropped the dependency on HUGETLB_PAGE for HUGETLB_PAGE_SIZE_VARIABLE
>
> Changes in V2:
>
> https://patchwork.kernel.org/project/linux-mm/patch/1614661987-23881-1-git-send-email-anshuman.khandual@arm.com/
>
> - Added a description for HUGETLB_PAGE_SIZE_VARIABLE
> - Added HUGETLB_PAGE dependency while selecting HUGETLB_PAGE_SIZE_VARIABLE
>
> Changes in V1:
>
> https://patchwork.kernel.org/project/linux-mm/patch/1614577853-7452-1-git-send-email-anshuman.khandual@arm.com/
>
>  arch/ia64/Kconfig    | 6 +-----
>  arch/powerpc/Kconfig | 6 +-----

LGTM.

Acked-by: Michael Ellerman <mpe at ellerman.id.au> (powerpc)

cheers