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 | |
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 | |
23 | static inline void vmacache_invalidate(struct mm_struct *mm) |
24 | { |
25 | mm->vmacache_seqnum++; |
26 | } |
27 | |
28 | #endif /* __LINUX_VMACACHE_H */ |
29 | |