mm: make vread() and vwrite() declaration
Sparse output following warnings.
mm/vmalloc.c:1436:6: warning: symbol 'vread' was not declared. Should it be static?
mm/vmalloc.c:1474:6: warning: symbol 'vwrite' was not declared. Should it be static?
However, it is used by /dev/kmem. fixed here.
Signed-off-by: KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
diff --git a/drivers/char/mem.c b/drivers/char/mem.c
index 6431f69..3586b3b 100644
--- a/drivers/char/mem.c
+++ b/drivers/char/mem.c
@@ -425,9 +425,6 @@
}
#endif
-extern long vread(char *buf, char *addr, unsigned long count);
-extern long vwrite(char *buf, char *addr, unsigned long count);
-
#ifdef CONFIG_DEVKMEM
/*
* This function reads the *virtual* memory as seen by the kernel.
diff --git a/include/linux/vmalloc.h b/include/linux/vmalloc.h
index 307b885..506e762 100644
--- a/include/linux/vmalloc.h
+++ b/include/linux/vmalloc.h
@@ -97,6 +97,10 @@
extern struct vm_struct *alloc_vm_area(size_t size);
extern void free_vm_area(struct vm_struct *area);
+/* for /dev/kmem */
+extern long vread(char *buf, char *addr, unsigned long count);
+extern long vwrite(char *buf, char *addr, unsigned long count);
+
/*
* Internals. Dont't use..
*/