/* SPDX-License-Identifier: GPL-2.0-only *//* Copyright (c) 2016 Facebook */#ifndef __PERCPU_FREELIST_H__#define __PERCPU_FREELIST_H__#include <linux/spinlock.h>#include <linux/percpu.h>#include <asm/rqspinlock.h> struct pcpu_freelist_head {	struct pcpu_freelist_node *first;	rqspinlock_t lock;}; struct pcpu_freelist {	struct pcpu_freelist_head __percpu *freelist;	struct pcpu_freelist_head extralist;}; struct pcpu_freelist_node {	struct pcpu_freelist_node *next;}; /* pcpu_freelist_* do spin_lock_irqsave. */void pcpu_freelist_push(struct pcpu_freelist *, struct pcpu_freelist_node *);struct pcpu_freelist_node *pcpu_freelist_pop(struct pcpu_freelist *);/* __pcpu_freelist_* do spin_lock only. caller must disable irqs. */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