FIRST_USER_PGD_NR  160 arch/microblaze/include/asm/pgtable.h #define FIRST_USER_PGD_NR	0
FIRST_USER_PGD_NR   79 arch/nds32/include/asm/pgtable.h #define FIRST_USER_PGD_NR	0
FIRST_USER_PGD_NR   64 arch/unicore32/include/asm/pgtable.h #define FIRST_USER_PGD_NR	1
FIRST_USER_PGD_NR   64 arch/xtensa/include/asm/pgtable.h #define FIRST_USER_PGD_NR	(FIRST_USER_ADDRESS >> PGDIR_SHIFT)