#ifndef _LINUX_RAMFS_H
#define _LINUX_RAMFS_H
struct inode *ramfs_get_inode(struct super_block *sb, int mode, dev_t dev);
struct super_block *ramfs_get_sb(struct file_system_type *fs_type,
int flags, const char *dev_name, void *data);
#ifndef CONFIG_MMU
extern unsigned long ramfs_nommu_get_unmapped_area(struct file *file,
unsigned long addr,
unsigned long len,
unsigned long pgoff,
unsigned long flags);
extern int ramfs_nommu_mmap(struct file *file, struct vm_area_struct *vma);
#endif
extern const struct file_operations ramfs_file_operations;
extern struct vm_operations_struct generic_file_vm_ops;