Reduce memory consumption when allocating kobject strings in the

LinuxKPI. Compute string length before allocating memory instead of
using fixed size allocations. Make kobject_set_name_vargs() global
instead of inline to save some bytes when compiling.

MFC after:	1 week
Sponsored by:	Mellanox Technologies

1 files changed, 1 insertions, 23 deletions

diff --git a/sys/compat/linuxkpi/common/include/linux/kobject.h b/sys/compat/linuxkpi/common/include/linux/kobject.h
index 0e94809..475095e 100644
--- a/sys/compat/linuxkpi/common/include/linux/kobject.h
+++ b/sys/compat/linuxkpi/common/include/linux/kobject.h
@@ -103,29 +103,7 @@ kobject_get(struct kobject *kobj)
 	return kobj;
 }
 
-static inline int
-kobject_set_name_vargs(struct kobject *kobj, const char *fmt, va_list args)
-{
-	char *old;
-	char *name;
-
-	old = kobj->name;
-
-	if (old && !fmt)
-		return 0;
-
-	name = kzalloc(MAXPATHLEN, GFP_KERNEL);
-	if (!name)
-		return -ENOMEM;
-	vsnprintf(name, MAXPATHLEN, fmt, args);
-	kobj->name = name;
-	kfree(old);
-	for (; *name != '\0'; name++)
-		if (*name == '/')
-			*name = '!';
-	return (0);
-}
-
+int	kobject_set_name_vargs(struct kobject *kobj, const char *fmt, va_list);
 int	kobject_add(struct kobject *kobj, struct kobject *parent,
 	    const char *fmt, ...);