LXR linux/include/linux/vmacache.h

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