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: [email protected] > Cc: Catalin Marinas <[email protected]> > Cc: Will Deacon <[email protected]> > Cc: [email protected] > Cc: Thomas Gleixner <[email protected]> > Cc: Ingo Molnar <[email protected]> > Cc: Borislav Petkov <[email protected]> > Cc: [email protected] > Cc: "H. Peter Anvin" <[email protected]> > Signed-off-by: Nicholas Piggin <[email protected]> > --- > arch/arm64/include/asm/vmalloc.h | 8 +++ > arch/arm64/mm/mmu.c | 10 +--
For arm64: Acked-by: Catalin Marinas <[email protected]>
