refcount: Split out refcount_types.h (f9d6966b) · Commits · git / linux-nf

include/linux/refcount.h

+1 −12

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		@@ -96,22 +96,11 @@
		#include <linux/bug.h>
		#include <linux/compiler.h>
		#include <linux/limits.h>
		#include <linux/refcount_types.h>
		#include <linux/spinlock_types.h>

		struct mutex;

		/**
		* typedef refcount_t - variant of atomic_t specialized for reference counts
		* @refs: atomic_t counter field
		*
		* The counter saturates at REFCOUNT_SATURATED and will not move once
		* there. This avoids wrapping the counter and causing 'spurious'
		* use-after-free bugs.
		*/
		typedef struct refcount_struct {
		atomic_t refs;
		} refcount_t;

		#define REFCOUNT_INIT(n) { .refs = ATOMIC_INIT(n), }
		#define REFCOUNT_MAX INT_MAX
		#define REFCOUNT_SATURATED (INT_MIN / 2)

0 → 100644

+19 −0

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		/* SPDX-License-Identifier: GPL-2.0 */
		#ifndef _LINUX_REFCOUNT_TYPES_H
		#define _LINUX_REFCOUNT_TYPES_H

		#include <linux/types.h>

		/**
		* typedef refcount_t - variant of atomic_t specialized for reference counts
		* @refs: atomic_t counter field
		*
		* The counter saturates at REFCOUNT_SATURATED and will not move once
		* there. This avoids wrapping the counter and causing 'spurious'
		* use-after-free bugs.
		*/
		typedef struct refcount_struct {
		atomic_t refs;
		} refcount_t;

		#endif /* _LINUX_REFCOUNT_TYPES_H */

+1 −1

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		@@ -22,7 +22,7 @@
		#include <linux/seccomp.h>
		#include <linux/nodemask_types.h>
		#include <linux/rcupdate.h>
		#include <linux/refcount.h>
		#include <linux/refcount_types.h>
		#include <linux/resource.h>
		#include <linux/latencytop.h>
		#include <linux/sched/prio.h>

+1 −0