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Linux kernel mirror (for testing) git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
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12345678910111213141516171819202122232425262728293031323334/* 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_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