/* Copyright (c) 2016 Facebook * * This program is free software; you can redistribute it and/or * modify it under the terms of version 2 of the GNU General Public * License as published by the Free Software Foundation. */#ifndef __PERCPU_FREELIST_H__#define __PERCPU_FREELIST_H__#include <linux/spinlock.h>#include <linux/percpu.h> struct pcpu_freelist_head {	struct pcpu_freelist_node *first;	raw_spinlock_t lock;}; struct pcpu_freelist {	struct pcpu_freelist_head __percpu *freelist;}; struct pcpu_freelist_node {	struct pcpu_freelist_node *next;}; void pcpu_freelist_push(struct pcpu_freelist *, struct pcpu_freelist_node *);struct pcpu_freelist_node *pcpu_freelist_pop(struct pcpu_freelist *);void pcpu_freelist_populate(struct pcpu_freelist *s, void *buf, u32 elem_size,			    u32 nr_elems);int pcpu_freelist_init(struct pcpu_freelist *);void pcpu_freelist_destroy(struct pcpu_freelist *s);#endif