# Pastebin LjHiGQDz
alpha		0x40000000000UL
arc		0x60000000
arm		0xffffffff (nommu), 0xC0000000 - SZ_16M
arm64		(UL(1) << VA_BITS)
csky		(0x8000000 - (PAGE_SIZE * 8))
h8300		0xFFFFFFFFUL
hexagon		0xc0000000ul
ia64		0xa000000000000000
m68k		0xFFFFFFFFUL, 0xF0000000UL, 0x0E000000UL, 0xC0000000UL
microblaze	0xc0000000
mips		0x80000000UL, (1ull << cpu_vmbits)
nds32		0xC0000000 - SZ_32M
nios2		0x7FFF0000UL
openrisc	0x80000000UL
parisc		(1UL << MAX_ADDRBITS) - 0xf000000
powerpc		0x0010000000000000UL, 0x0000400000000000UL
riscv		0xffffffffUL, (PGDIR_SIZE * PTRS_PER_PGD / 2)
s390		-PAGE_SIZE
sh		0x7c000000UL
sparc		0xf0000000, ((_AC(1,UL) << __VIRTUAL_MASK_SHIFT) - PAGE_SIZE)
um		__binary_start & PAGE_MASK
x86		0xC0000000, (1ul << 47)-PAGE_SIZE)
xtensa		0x40000000, 0xffffffff (nommu)