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/* SPDX-License-Identifier: GPL-2.0 */
#ifndef __LIBPERF_INTERNAL_MMAP_H
#define __LIBPERF_INTERNAL_MMAP_H
#include <linux/refcount.h>
#include <linux/types.h>
/**
* struct perf_mmap - perf's ring buffer mmap details
*
* @refcnt - e.g. code using PERF_EVENT_IOC_SET_OUTPUT to share this
*/
struct perf_mmap {
void *base;
int mask;
int fd;
int cpu;
refcount_t refcnt;
u64 prev;
u64 start;
u64 end;
};
#endif /* __LIBPERF_INTERNAL_MMAP_H */
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