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)8static 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)23static inline void vmacache_invalidate(struct mm_struct *mm) 24 { 25 mm->vmacache_seqnum++; 26 } 27 28 #endif /* __LINUX_VMACACHE_H */ 29