Liu Shixin 310f541a02 riscv: Enable HAVE_ARCH_HUGE_VMAP for 64BIT ... This sets the HAVE_ARCH_HUGE_VMAP option, and defines the required page table functions. With this feature, ioremap area will be mapped with huge page granularity according to its actual size. This feature can be disabled by kernel parameter "nohugeiomap". Signed-off-by: Liu Shixin <liushixin2@huawei.com> Reviewed-by: Björn Töpel <bjorn@kernel.org> Tested-by: Björn Töpel <bjorn@kernel.org> Link: https://lore.kernel.org/r/20221012120038.1034354-2-liushixin2@huawei.com [Palmer: minor formatting] Signed-off-by: Palmer Dabbelt <palmer@rivosinc.com>		2022-10-28 17:10:01 -07:00
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arch-support.txt	riscv: Enable HAVE_ARCH_HUGE_VMAP for 64BIT	2022-10-28 17:10:01 -07:00