blob: b37ba179f43b27a1f2cb2c78d649ac9aece83ed9 (
plain) (
blame)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
|
/* SPDX-License-Identifier: GPL-2.0 */
#ifndef _TIME_NAMESPACE_INTERNAL_H
#define _TIME_NAMESPACE_INTERNAL_H
#include <linux/mutex.h>
struct time_namespace;
/*
* Protects possibly multiple offsets writers racing each other
* and tasks entering the namespace.
*/
extern struct mutex timens_offset_lock;
#ifdef CONFIG_TIME_NS_VDSO
int timens_vdso_alloc_vvar_page(struct time_namespace *ns);
void timens_vdso_free_vvar_page(struct time_namespace *ns);
#else /* !CONFIG_TIME_NS_VDSO */
static inline int timens_vdso_alloc_vvar_page(struct time_namespace *ns)
{
return 0;
}
static inline void timens_vdso_free_vvar_page(struct time_namespace *ns)
{
}
#endif /* CONFIG_TIME_NS_VDSO */
#endif /* _TIME_NAMESPACE_INTERNAL_H */
|
