Since commit
853ac43ab194 ("shmem: unify regular and tiny shmem"),
ramfs_nommu_get_unmapped_area() and ramfs_nommu_mmap() are not directly
referenced outside of file-nommu.c. Thus make them static.
Signed-off-by: Axel Lin <axel.lin@ingics.com>
Cc: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
#include "internal.h"
static int ramfs_nommu_setattr(struct dentry *, struct iattr *);
#include "internal.h"
static int ramfs_nommu_setattr(struct dentry *, struct iattr *);
+static unsigned long ramfs_nommu_get_unmapped_area(struct file *file,
+ unsigned long addr,
+ unsigned long len,
+ unsigned long pgoff,
+ unsigned long flags);
+static int ramfs_nommu_mmap(struct file *file, struct vm_area_struct *vma);
const struct address_space_operations ramfs_aops = {
.readpage = simple_readpage,
const struct address_space_operations ramfs_aops = {
.readpage = simple_readpage,
* - the pages to be mapped must exist
* - the pages be physically contiguous in sequence
*/
* - the pages to be mapped must exist
* - the pages be physically contiguous in sequence
*/
-unsigned long ramfs_nommu_get_unmapped_area(struct file *file,
+static unsigned long ramfs_nommu_get_unmapped_area(struct file *file,
unsigned long addr, unsigned long len,
unsigned long pgoff, unsigned long flags)
{
unsigned long addr, unsigned long len,
unsigned long pgoff, unsigned long flags)
{
/*
* set up a mapping for shared memory segments
*/
/*
* set up a mapping for shared memory segments
*/
-int ramfs_nommu_mmap(struct file *file, struct vm_area_struct *vma)
+static int ramfs_nommu_mmap(struct file *file, struct vm_area_struct *vma)
{
if (!(vma->vm_flags & VM_SHARED))
return -ENOSYS;
{
if (!(vma->vm_flags & VM_SHARED))
return -ENOSYS;
}
#else
extern int ramfs_nommu_expand_for_mapping(struct inode *inode, size_t newsize);
}
#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;
#endif
extern const struct file_operations ramfs_file_operations;