https://kernel.googlesource.com/pub/scm/linux/kernel/git/hpa/linux-x86-syscalls/+/e5a44df85e8d78e5c2d3d2e4f59b460905691e2f/arch/sparc/include/asm/memreg.h
arch/sparc/include/asm/memreg.h - pub/scm/linux/kernel/git/hpa/linux-x86-syscalls - Git at Google