Defined in 4 files as a function:
- arch/powerpc/include/asm/book3s/64/pgtable.h, line 512 (as a function)
- arch/s390/include/asm/pgtable.h, line 831 (as a function)
- arch/x86/include/asm/pgtable.h, line 517 (as a function)
- include/asm-generic/pgtable.h, line 753 (as a function)