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    SubjectRe: [PATCH v8 05/12] mm: HUGE_VMAP arch support cleanup
    On Sun, Nov 29, 2020 at 01:25:52AM +1000, Nicholas Piggin wrote:
    > This changes the awkward approach where architectures provide init
    > functions to determine which levels they can provide large mappings for,
    > to one where the arch is queried for each call.
    >
    > This removes code and indirection, and allows constant-folding of dead
    > code for unsupported levels.
    >
    > This also adds a prot argument to the arch query. This is unused
    > currently but could help with some architectures (e.g., some powerpc
    > processors can't map uncacheable memory with large pages).
    >
    > Cc: linuxppc-dev@lists.ozlabs.org
    > Cc: Catalin Marinas <catalin.marinas@arm.com>
    > Cc: Will Deacon <will@kernel.org>
    > Cc: linux-arm-kernel@lists.infradead.org
    > Cc: Thomas Gleixner <tglx@linutronix.de>
    > Cc: Ingo Molnar <mingo@redhat.com>
    > Cc: Borislav Petkov <bp@alien8.de>
    > Cc: x86@kernel.org
    > Cc: "H. Peter Anvin" <hpa@zytor.com>
    > Signed-off-by: Nicholas Piggin <npiggin@gmail.com>
    > ---
    > arch/arm64/include/asm/vmalloc.h | 8 +++
    > arch/arm64/mm/mmu.c | 10 +--

    For arm64:

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

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