Defined in 4 files as a function:
- arch/powerpc/include/asm/book3s/64/pgtable.h, line 408 (as a function)
- arch/s390/include/asm/pgtable.h, line 713 (as a function)
- arch/x86/include/asm/pgtable.h, line 347 (as a function)
- include/asm-generic/pgtable.h, line 503 (as a function)