29 lines
728 B
C
29 lines
728 B
C
/* SPDX-License-Identifier: GPL-2.0 */
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#ifndef _TIME_NAMESPACE_INTERNAL_H
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#define _TIME_NAMESPACE_INTERNAL_H
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#include <linux/mutex.h>
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struct time_namespace;
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/*
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* Protects possibly multiple offsets writers racing each other
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* and tasks entering the namespace.
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*/
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extern struct mutex timens_offset_lock;
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#ifdef CONFIG_TIME_NS_VDSO
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int timens_vdso_alloc_vvar_page(struct time_namespace *ns);
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void timens_vdso_free_vvar_page(struct time_namespace *ns);
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#else /* !CONFIG_TIME_NS_VDSO */
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static inline int timens_vdso_alloc_vvar_page(struct time_namespace *ns)
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{
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return 0;
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}
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static inline void timens_vdso_free_vvar_page(struct time_namespace *ns)
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{
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}
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#endif /* CONFIG_TIME_NS_VDSO */
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#endif /* _TIME_NAMESPACE_INTERNAL_H */
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