1 files changed, 26 insertions, 3 deletions

diff --git a/include/linux/kernel.h b/include/linux/kernel.h
index 9ddf25c21538..45353d757cd0 100644
--- a/include/linux/kernel.h
+++ b/include/linux/kernel.h
@@ -35,11 +35,22 @@ extern const char linux_proc_banner[];
 #define ALIGN(x,a)              __ALIGN_MASK(x,(typeof(x))(a)-1)
 #define __ALIGN_MASK(x,mask)    (((x)+(mask))&~(mask))
 
-#define ARRAY_SIZE(x) (sizeof(x) / sizeof((x)[0]))
+#define ARRAY_SIZE(arr) (sizeof(arr) / sizeof((arr)[0]) + __must_be_array(arr))
+
 #define FIELD_SIZEOF(t, f) (sizeof(((t*)0)->f))
 #define DIV_ROUND_UP(n,d) (((n) + (d) - 1) / (d))
 #define roundup(x, y) ((((x) + ((y) - 1)) / (y)) * (y))
 
+/**
+ * upper_32_bits - return bits 32-63 of a number
+ * @n: the number we're accessing
+ *
+ * A basic shift-right of a 64- or 32-bit quantity.  Use this to suppress
+ * the "right shift count >= width of type" warning when that quantity is
+ * 32-bits.
+ */
+#define upper_32_bits(n) ((u32)(((n) >> 16) >> 16))
+
 #define KERN_EMERG      "<0>"   /* system is unusable                   */
 #define KERN_ALERT      "<1>"   /* action must be taken immediately     */
 #define KERN_CRIT       "<2>"   /* critical conditions                  */
@@ -121,6 +132,7 @@ extern int vscnprintf(char *buf, size_t size, const char *fmt, va_list args)
         __attribute__ ((format (printf, 3, 0)));
 extern char *kasprintf(gfp_t gfp, const char *fmt, ...)
         __attribute__ ((format (printf, 2, 3)));
+extern char *kvasprintf(gfp_t gfp, const char *fmt, va_list args);
 
 extern int sscanf(const char *, const char *, ...)
         __attribute__ ((format (scanf, 2, 3)));
@@ -201,6 +213,17 @@ extern enum system_states {
 
 extern void dump_stack(void);
 
+enum {
+        DUMP_PREFIX_NONE,
+        DUMP_PREFIX_ADDRESS,
+        DUMP_PREFIX_OFFSET
+};
+extern void hex_dump_to_buffer(const void *buf, size_t len, char *linebuf,
+                                size_t linebuflen);
+extern void print_hex_dump(const char *level, int prefix_type,
+                                void *buf, size_t len);
+#define hex_asc(x)      "0123456789abcdef"[x]
+
 #ifdef DEBUG
 /* If you are writing a driver, please use dev_dbg instead */
 #define pr_debug(fmt,arg...) \
@@ -287,8 +310,8 @@ static inline int __attribute__ ((format (printf, 1, 2))) pr_debug(const char *
  *
  */
 #define container_of(ptr, type, member) ({                      \
-        const typeof( ((type *)0)->member ) *__mptr = (ptr);    \
-        (type *)( (char *)__mptr - offsetof(type,member) );})
+        const typeof( ((type *)0)->member ) *__mptr = (ptr);    \
+        (type *)( (char *)__mptr - offsetof(type,member) );})
 
 /*
  * Check at compile time that something is of a particular type.