getcpu.h 641 B

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 out of date, but will be faster.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