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-...@lists.ozlabs.org > Cc: Catalin Marinas <catalin.mari...@arm.com> > Cc: Will Deacon <w...@kernel.org> > Cc: linux-arm-ker...@lists.infradead.org > Cc: Thomas Gleixner <t...@linutronix.de> > Cc: Ingo Molnar <mi...@redhat.com> > Cc: Borislav Petkov <b...@alien8.de> > Cc: x...@kernel.org > Cc: "H. Peter Anvin" <h...@zytor.com> > Signed-off-by: Nicholas Piggin <npig...@gmail.com> > --- > arch/arm64/include/asm/vmalloc.h | 8 +++ > arch/arm64/mm/mmu.c | 10 +--
For arm64: Acked-by: Catalin Marinas <catalin.mari...@arm.com>
