Function prototype or declaration at include/linux/mm.h, line 1610 References: arch/ia64/mm/discontig.c, line 818 arch/powerpc/mm/init_64.c, line 298 arch/s390/mm/vmem.c, line 176 arch/sparc/mm/init_64.c, line 2076 arch/x86/mm/init_64.c, line 920 include/linux/mm.h, line 1610 mm/sparse-vmemmap.c, line 181