p4d_set_huge     1042 include/asm-generic/pgtable.h int p4d_set_huge(p4d_t *p4d, phys_addr_t addr, pgprot_t prot);
p4d_set_huge      186 lib/ioremap.c  	return p4d_set_huge(p4d, phys_addr, prot);