X-Git-Url: http://pilppa.org/gitweb/gitweb.cgi?a=blobdiff_plain;ds=sidebyside;f=include%2Flinux%2Fkernel.h;h=851aa1bcfc1a25c65db7fd2829e1844fb6086e33;hb=aa43f77939c97bf9d3580c6a5e71a5a40290e451;hp=8c21aaa248b4ee1917340283846c6bdc8651ed6c;hpb=37224470c8c6d90a4062e76a08d4dc1fcf91fc89;p=linux-2.6-omap-h63xx.git

diff --git a/include/linux/kernel.h b/include/linux/kernel.h
index 8c21aaa248b..851aa1bcfc1 100644
--- a/include/linux/kernel.h
+++ b/include/linux/kernel.h
@@ -32,6 +32,8 @@ extern const char linux_banner[];
 
 #define ARRAY_SIZE(x) (sizeof(x) / sizeof((x)[0]))
 #define ALIGN(x,a) (((x)+(a)-1)&~((a)-1))
+#define FIELD_SIZEOF(t, f) (sizeof(((t*)0)->f))
+#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 +119,8 @@ 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 +210,7 @@ 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 +339,12 @@ 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__)