Defined in 3 files as a macro:

• arch/s390/include/asm/pgalloc.h, line 62 (as a macro)
• include/asm-generic/pgalloc.h, line 256 (as a macro)
• include/asm-generic/pgtable-nop4d.h, line 50 (as a macro)

Referenced in 2 files:

• arch/x86/mm/pat/set_memory.c, line 1775
• mm/memory.c, line 6916