riscv: Improve arch_get_mmap_end() macro

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This macro caused me some confusion, which took some reviewer's time to
make it clear, so I propose adding a short comment in code to avoid
confusion in the future.

Also, added some improvements to the macro, such as removing the
assumption of VA_USER_SV57 being the largest address space.

Signed-off-by: Leonardo Bras <leobras@redhat.com>
Reviewed-by: Guo Ren <guoren@kernel.org>
Link: https://lore.kernel.org/r/20240103160024.70305-3-leobras@redhat.com
Signed-off-by: Palmer Dabbelt <palmer@rivosinc.com>

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Leonardo Bras 2024-01-03 13:00:19 -03:00 • committed by Palmer Dabbelt

parent b85ea95d08

commit 6be7ee4beb

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arch/riscv/include/asm/processor.h

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