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