[GFS2] Fix up merge of Linus' kernel into GFS2

[linux-drm-fsl-dcu.git] / include / linux / kernel.h

diff --git a/include/linux/kernel.h b/include/linux/kernel.h
index 8c21aaa248b4ee1917340283846c6bdc8651ed6c..e44a37e2c71c60d4c45f6bb16729961a974c2c21 100644 (file)
--- a/include/linux/kernel.h
+++ b/include/linux/kernel.h
@@ -31,7 +31,10 @@ extern const char linux_banner[];
 #define STACK_MAGIC    0xdeadbeef
 
 #define ARRAY_SIZE(x) (sizeof(x) / sizeof((x)[0]))
-#define ALIGN(x,a) (((x)+(a)-1)&~((a)-1))
+#define ALIGN(x,a) (((x)+(a)-1UL)&~((a)-1UL))
+#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))
 
 #define        KERN_EMERG      "<0>"   /* system is unusable                   */
 #define        KERN_ALERT      "<1>"   /* action must be taken immediately     */
@@ -117,6 +120,8 @@ extern int scnprintf(char * buf, size_t size, const char * fmt, ...)
        __attribute__ ((format (printf, 3, 4)));
 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 int sscanf(const char *, const char *, ...)
        __attribute__ ((format (scanf, 2, 3)));
@@ -206,6 +211,7 @@ extern enum system_states {
 extern void dump_stack(void);
 
 #ifdef DEBUG
+/* If you are writing a driver, please use dev_dbg instead */
 #define pr_debug(fmt,arg...) \
        printk(KERN_DEBUG fmt,##arg)
 #else
@@ -334,6 +340,12 @@ struct sysinfo {
 /* Force a compilation error if condition is true */
 #define BUILD_BUG_ON(condition) ((void)sizeof(char[1 - 2*!!(condition)]))
 
+/* Force a compilation error if condition is true, but also produce a
+   result (of value 0 and type size_t), so the expression can be used
+   e.g. in a structure initializer (or where-ever else comma expressions
+   aren't permitted). */
+#define BUILD_BUG_ON_ZERO(e) (sizeof(char[1 - 2 * !!(e)]) - 1)
+
 /* Trap pasters of __FUNCTION__ at compile-time */
 #define __FUNCTION__ (__func__)