[mirror_ubuntu-bionic-kernel.git] / include / linux / getcpu.h

#ifndef _LINUX_GETCPU_H
#define _LINUX_GETCPU_H 1

/* 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   out of date, but will be faster.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 {
	unsigned long blob[128 / sizeof(long)];
};

#endif
Commit	Line	Data
c08c8205 VP	1	#ifndef _LINUX_GETCPU_H
	2	#define _LINUX_GETCPU_H 1
	3
34596dc9	4	/* Cache for getcpu() to speed it up. Results might be a short time
c08c8205	5	out of date, but will be faster.
34596dc9	6
c08c8205	7	User programs should not refer to the contents of this structure.
34596dc9 AK	8	I repeat they should not refer to it. If they do they will break
	9	in future kernels.
	10
	11	It is only a private cache for vgetcpu(). It will change in future kernels.
c08c8205 VP	12	The user program must store this information per thread (__thread)
	13	If you want 100% accurate information pass NULL instead. */
	14	struct getcpu_cache {
34596dc9	15	unsigned long blob[128 / sizeof(long)];
c08c8205 VP	16	};
	17
	18	#endif