https://github.com/torvalds/linux
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Tip revision: d1eef1c619749b2a57e514a3fa67d9a516ffa919 authored by Linus Torvalds on 15 December 2019, 23:16:08 UTC
Linux 5.5-rc2
Tip revision: d1eef1c
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   out of date, but will be faster.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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