Greg Kroah-Hartman
598cf27219
Link: https://lore.kernel.org/r/20260217200002.683975158@linuxfoundation.org Tested-by: Florian Fainelli <florian.fainelli@broadcom.com> Tested-by: Takeshi Ogasawara <takeshi.ogasawara@futuring-girl.com> Tested-by: Peter Schneider <pschneider1968@googlemail.com> Tested-by: Jon Hunter <jonathanh@nvidia.com> Tested-by: Salvatore Bonaccorso <carnil@debian.org> Tested-by: Brett A C Sheffield <bacs@librecast.net> Tested-by: Mark Brown <broonie@kernel.org> Tested-by: Luna Jernberg <droidbittin@gmail.com> Tested-by: Ronald Warsow <rwarsow@gmx.de> Tested-by: Justin M. Forbes <jforbes@fedoraproject.org> Tested-by: Ron Economos <re@w6rz.net> Tested-by: Miguel Ojeda <ojeda@kernel.org> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
34 lines
1.0 KiB
C
34 lines
1.0 KiB
C
/* SPDX-License-Identifier: GPL-2.0-only */
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/* Copyright (c) 2016 Facebook
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*/
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#ifndef __PERCPU_FREELIST_H__
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#define __PERCPU_FREELIST_H__
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#include <linux/spinlock.h>
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#include <linux/percpu.h>
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#include <asm/rqspinlock.h>
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struct pcpu_freelist_head {
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struct pcpu_freelist_node *first;
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rqspinlock_t lock;
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};
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struct pcpu_freelist {
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struct pcpu_freelist_head __percpu *freelist;
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};
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struct pcpu_freelist_node {
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struct pcpu_freelist_node *next;
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};
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/* pcpu_freelist_* do spin_lock_irqsave. */
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void pcpu_freelist_push(struct pcpu_freelist *, struct pcpu_freelist_node *);
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struct pcpu_freelist_node *pcpu_freelist_pop(struct pcpu_freelist *);
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/* __pcpu_freelist_* do spin_lock only. caller must disable irqs. */
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void __pcpu_freelist_push(struct pcpu_freelist *, struct pcpu_freelist_node *);
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struct pcpu_freelist_node *__pcpu_freelist_pop(struct pcpu_freelist *);
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void pcpu_freelist_populate(struct pcpu_freelist *s, void *buf, u32 elem_size,
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u32 nr_elems);
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int pcpu_freelist_init(struct pcpu_freelist *);
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void pcpu_freelist_destroy(struct pcpu_freelist *s);
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#endif
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