linux-sg2042/arch/arm/mm/vmregion.h

30 lines
730 B
C

#ifndef VMREGION_H
#define VMREGION_H
#include <linux/spinlock.h>
#include <linux/list.h>
struct page;
struct arm_vmregion_head {
spinlock_t vm_lock;
struct list_head vm_list;
unsigned long vm_start;
unsigned long vm_end;
};
struct arm_vmregion {
struct list_head vm_list;
unsigned long vm_start;
unsigned long vm_end;
struct page *vm_pages;
int vm_active;
};
struct arm_vmregion *arm_vmregion_alloc(struct arm_vmregion_head *, size_t, size_t, gfp_t);
struct arm_vmregion *arm_vmregion_find(struct arm_vmregion_head *, unsigned long);
struct arm_vmregion *arm_vmregion_find_remove(struct arm_vmregion_head *, unsigned long);
void arm_vmregion_free(struct arm_vmregion_head *, struct arm_vmregion *);
#endif