int get_subbuf:1; /* Sub-buffer being held by reader */
int switch_timer_enabled:1; /* Protected by ring_buffer_nohz_lock */
int read_timer_enabled:1; /* Protected by ring_buffer_nohz_lock */
+ /* shmp pointer to self */
+ DECLARE_SHMP(struct lib_ring_buffer, self);
} ____cacheline_aligned;
static inline