asid2idx           34 arch/arm64/mm/context.c #define asid2idx(asid)		(((asid) & ~ASID_MASK) >> 1)
asid2idx           38 arch/arm64/mm/context.c #define asid2idx(asid)		((asid) & ~ASID_MASK)
asid2idx           21 arch/csky/mm/asid.c #define asid2idx(info, asid)		(((asid) & ~ASID_MASK(info)) >> (info)->ctxt_shift)