Edit File: ramfs.h
#ifndef _LINUX_RAMFS_H #define _LINUX_RAMFS_H struct inode *ramfs_get_inode(struct super_block *sb, const struct inode *dir, umode_t mode, dev_t dev); extern struct dentry *ramfs_mount(struct file_system_type *fs_type, int flags, const char *dev_name, void *data); #ifdef CONFIG_MMU static inline int ramfs_nommu_expand_for_mapping(struct inode *inode, size_t newsize) { return 0; } #else extern int ramfs_nommu_expand_for_mapping(struct inode *inode, size_t newsize); 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 const struct vm_operations_struct generic_file_vm_ops; extern int __init init_ramfs_fs(void); int ramfs_fill_super(struct super_block *sb, void *data, int silent); #endif