kernel_optimize_test/include/linux/ramfs.h
Andrew Morton 250297edf8 mm/shmem.c: remove an ifdef
Create a CONFIG_MMU=y stub for ramfs_nommu_expand_for_mapping() in the
usual fashion.

Cc: Al Viro <viro@zeniv.linux.org.uk>
Cc: Wolfram Sang <wsa@the-dreams.de>
Cc: Hugh Dickins <hughd@google.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2013-04-29 15:54:28 -07:00

33 lines
986 B
C

#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_rootfs(void);
int ramfs_fill_super(struct super_block *sb, void *data, int silent);
#endif