1/* SPDX-License-Identifier: GPL-2.0 */
2#ifndef __LINUX_VMACACHE_H
3#define __LINUX_VMACACHE_H
4
5#include <linux/sched.h>
6#include <linux/mm.h>
7
8static inline void vmacache_flush(struct task_struct *tsk)
9{
10 memset(tsk->vmacache.vmas, 0, sizeof(tsk->vmacache.vmas));
11}
12
13extern void vmacache_update(unsigned long addr, struct vm_area_struct *newvma);
14extern struct vm_area_struct *vmacache_find(struct mm_struct *mm,
15 unsigned long addr);
16
17#ifndef CONFIG_MMU
18extern struct vm_area_struct *vmacache_find_exact(struct mm_struct *mm,
19 unsigned long start,
20 unsigned long end);
21#endif
22
23static inline void vmacache_invalidate(struct mm_struct *mm)
24{
25 mm->vmacache_seqnum++;
26}
27
28#endif /* __LINUX_VMACACHE_H */
29