Messages in this thread | | | Date | Tue, 1 Dec 2020 14:21:56 +0000 | From | Catalin Marinas <> | Subject | Re: [PATCH v8 05/12] mm: HUGE_VMAP arch support cleanup |
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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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