[mirror_ubuntu-focal-kernel.git] / include / linux / vmacache.h

/* SPDX-License-Identifier: GPL-2.0 */
#ifndef __LINUX_VMACACHE_H
#define __LINUX_VMACACHE_H

#include <linux/sched.h>
#include <linux/mm.h>

static inline void vmacache_flush(struct task_struct *tsk)
{
	memset(tsk->vmacache.vmas, 0, sizeof(tsk->vmacache.vmas));
}

extern void vmacache_update(unsigned long addr, struct vm_area_struct *newvma);
extern struct vm_area_struct *vmacache_find(struct mm_struct *mm,
						    unsigned long addr);

#ifndef CONFIG_MMU
extern struct vm_area_struct *vmacache_find_exact(struct mm_struct *mm,
						  unsigned long start,
						  unsigned long end);
#endif

static inline void vmacache_invalidate(struct mm_struct *mm)
{
	mm->vmacache_seqnum++;
}

#endif /* __LINUX_VMACACHE_H */
Commit	Line	Data
b2441318	1	/* SPDX-License-Identifier: GPL-2.0 */
615d6e87 DB	2	#ifndef __LINUX_VMACACHE_H
	3	#define __LINUX_VMACACHE_H
	4
	5	#include <linux/sched.h>
	6	#include <linux/mm.h>
	7
615d6e87 DB	8	static inline void vmacache_flush(struct task_struct *tsk)
615d6e87 DB	9	{
314ff785	10	memset(tsk->vmacache.vmas, 0, sizeof(tsk->vmacache.vmas));
615d6e87 DB	11	}
615d6e87 DB	12
615d6e87 DB	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++;
615d6e87 DB	26	}
	27
	28	#endif /* __LINUX_VMACACHE_H */