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

/* SPDX-License-Identifier: GPL-2.0 */
#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   out of date, but will be faster.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
b2441318	1	/* SPDX-License-Identifier: GPL-2.0 */
c08c8205 VP	2	#ifndef _LINUX_GETCPU_H
	3	#define _LINUX_GETCPU_H 1
	4
34596dc9	5	/* Cache for getcpu() to speed it up. Results might be a short time
c08c8205	6	out of date, but will be faster.
34596dc9	7
c08c8205	8	User programs should not refer to the contents of this structure.
34596dc9 AK	9	I repeat they should not refer to it. If they do they will break
	10	in future kernels.
	11
	12	It is only a private cache for vgetcpu(). It will change in future kernels.
c08c8205 VP	13	The user program must store this information per thread (__thread)
	14	If you want 100% accurate information pass NULL instead. */
	15	struct getcpu_cache {
34596dc9	16	unsigned long blob[128 / sizeof(long)];
c08c8205 VP	17	};
	18
	19	#endif