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TOMOYO Linux Cross Reference
Linux/kernel/bpf/percpu_freelist.h

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  1 /* Copyright (c) 2016 Facebook
  2  *
  3  * This program is free software; you can redistribute it and/or
  4  * modify it under the terms of version 2 of the GNU General Public
  5  * License as published by the Free Software Foundation.
  6  */
  7 #ifndef __PERCPU_FREELIST_H__
  8 #define __PERCPU_FREELIST_H__
  9 #include <linux/spinlock.h>
 10 #include <linux/percpu.h>
 11 
 12 struct pcpu_freelist_head {
 13         struct pcpu_freelist_node *first;
 14         raw_spinlock_t lock;
 15 };
 16 
 17 struct pcpu_freelist {
 18         struct pcpu_freelist_head __percpu *freelist;
 19 };
 20 
 21 struct pcpu_freelist_node {
 22         struct pcpu_freelist_node *next;
 23 };
 24 
 25 void pcpu_freelist_push(struct pcpu_freelist *, struct pcpu_freelist_node *);
 26 struct pcpu_freelist_node *pcpu_freelist_pop(struct pcpu_freelist *);
 27 void pcpu_freelist_populate(struct pcpu_freelist *s, void *buf, u32 elem_size,
 28                             u32 nr_elems);
 29 int pcpu_freelist_init(struct pcpu_freelist *);
 30 void pcpu_freelist_destroy(struct pcpu_freelist *s);
 31 #endif
 32 

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