root/include/linux/vmacache.h

INCLUDED FROM

DEFINITIONS

1. vmacache_flush
2. vmacache_invalidate

   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 */