/* SPDX-License-Identifier: GPL-2.0 */ #ifndef _LINUX_GETCPU_H #define _LINUX_GETCPU_H … /* Cache for getcpu() to speed it up. Results might be a short time out of date, but will be faster. User programs should not refer to the contents of this structure. I repeat they should not refer to it. If they do they will break in future kernels. It is only a private cache for vgetcpu(). It will change in future kernels. The user program must store this information per thread (__thread) If you want 100% accurate information pass NULL instead. */ struct getcpu_cache { … }; #endif