https://github.com/torvalds/linux
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Tip revision: e783362eb54cd99b2cac8b3a9aeac942e6f6ac07 authored by Linus Torvalds on 23 January 2022, 08:12:53 UTC
Linux 5.17-rc1
Tip revision: e783362
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   out of date, but will be faster.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
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