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 
vmacache_flush(struct task_struct * tsk)8 static inline void vmacache_flush(struct task_struct *tsk)
9 {
10 	memset(tsk->vmacache.vmas, 0, sizeof(tsk->vmacache.vmas));
11 }
12 
13 extern void vmacache_update(unsigned long addr, struct vm_area_struct *newvma);
14 extern struct vm_area_struct *vmacache_find(struct mm_struct *mm,
15 						    unsigned long addr);
16 
17 #ifndef CONFIG_MMU
18 extern struct vm_area_struct *vmacache_find_exact(struct mm_struct *mm,
19 						  unsigned long start,
20 						  unsigned long end);
21 #endif
22 
vmacache_invalidate(struct mm_struct * mm)23 static inline void vmacache_invalidate(struct mm_struct *mm)
24 {
25 	mm->vmacache_seqnum++;
26 }
27 
28 #endif /* __LINUX_VMACACHE_H */
29