xref: /linux-6.15/include/linux/getcpu.h (revision c08c8205)
1 #ifndef _LINUX_GETCPU_H
2 #define _LINUX_GETCPU_H 1
3 
4 /* Cache for getcpu() to speed it up. Results might be upto a jiffie
5    out of date, but will be faster.
6    User programs should not refer to the contents of this structure.
7    It is only a cache for vgetcpu(). It might change in future kernels.
8    The user program must store this information per thread (__thread)
9    If you want 100% accurate information pass NULL instead. */
10 struct getcpu_cache {
11 	unsigned long t0;
12 	unsigned long t1;
13 	unsigned long res[4];
14 };
15 
16 #endif
17