Defined in 4 files as a function:
- arch/arm64/include/asm/pgtable.h, line 697 (as a function)
- arch/powerpc/include/asm/book3s/64/pgtable.h, line 1319 (as a function)
- arch/x86/include/asm/pgtable.h, line 292 (as a function)
- include/linux/mm.h, line 576 (as a function)