From: Adrian Bunk <bunk@stusta.de>
Date: Thu, 1 Mar 2007 04:11:03 +0000 (-0800)
Subject: [PATCH] mm/{,tiny-}shmem.c cleanups
X-Git-Tag: firefly_0821_release~30946
X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=9b83a6a8523a8a96b6353174b193c5c93e16c6c3;p=firefly-linux-kernel-4.4.55.git

[PATCH] mm/{,tiny-}shmem.c cleanups

shmem_{nopage,mmap} are no longer used in ipc/shm.c

Signed-off-by: Adrian Bunk <bunk@stusta.de>
Cc: "Eric W. Biederman" <ebiederm@xmission.com>
Cc: Hugh Dickins <hugh@veritas.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---

diff --git a/include/linux/mm.h b/include/linux/mm.h
index a0eec16eb0bd..60e0e4a592d2 100644
--- a/include/linux/mm.h
+++ b/include/linux/mm.h
@@ -660,15 +660,11 @@ static inline int page_mapped(struct page *page)
 extern void show_free_areas(void);
 
 #ifdef CONFIG_SHMEM
-struct page *shmem_nopage(struct vm_area_struct *vma,
-			unsigned long address, int *type);
 int shmem_set_policy(struct vm_area_struct *vma, struct mempolicy *new);
 struct mempolicy *shmem_get_policy(struct vm_area_struct *vma,
 					unsigned long addr);
 int shmem_lock(struct file *file, int lock, struct user_struct *user);
 #else
-#define shmem_nopage filemap_nopage
-
 static inline int shmem_lock(struct file *file, int lock,
 			     struct user_struct *user)
 {
@@ -688,7 +684,6 @@ static inline struct mempolicy *shmem_get_policy(struct vm_area_struct *vma,
 }
 #endif
 struct file *shmem_file_setup(char *name, loff_t size, unsigned long flags);
-extern int shmem_mmap(struct file *file, struct vm_area_struct *vma);
 
 int shmem_zero_setup(struct vm_area_struct *);
 
diff --git a/mm/shmem.c b/mm/shmem.c
index 882053031aa0..fcb07882c8e0 100644
--- a/mm/shmem.c
+++ b/mm/shmem.c
@@ -1228,7 +1228,8 @@ failed:
 	return error;
 }
 
-struct page *shmem_nopage(struct vm_area_struct *vma, unsigned long address, int *type)
+static struct page *shmem_nopage(struct vm_area_struct *vma,
+				 unsigned long address, int *type)
 {
 	struct inode *inode = vma->vm_file->f_path.dentry->d_inode;
 	struct page *page = NULL;
@@ -1335,7 +1336,7 @@ out_nomem:
 	return retval;
 }
 
-int shmem_mmap(struct file *file, struct vm_area_struct *vma)
+static int shmem_mmap(struct file *file, struct vm_area_struct *vma)
 {
 	file_accessed(file);
 	vma->vm_ops = &shmem_vm_ops;
diff --git a/mm/tiny-shmem.c b/mm/tiny-shmem.c
index c7f6e1914bc4..8803471593fd 100644
--- a/mm/tiny-shmem.c
+++ b/mm/tiny-shmem.c
@@ -126,6 +126,7 @@ int shmem_unuse(swp_entry_t entry, struct page *page)
 	return 0;
 }
 
+#if 0
 int shmem_mmap(struct file *file, struct vm_area_struct *vma)
 {
 	file_accessed(file);
@@ -135,6 +136,7 @@ int shmem_mmap(struct file *file, struct vm_area_struct *vma)
 	return 0;
 #endif
 }
+#endif  /*  0  */
 
 #ifndef CONFIG_MMU
 unsigned long shmem_get_unmapped_area(struct file *file,