kmemtrace: kmemtrace_alloc() must fill type_id

Impact: fix trace output

kmemtrace_alloc() was not filling type_id, which allowed garbage to make
it into tracing data.
Signed-off-by: NEduard - Gabriel Munteanu <eduard.munteanu@linux360.ro>
LKML-Reference: <284dba2732a144849d5aa82258fe0de2ad8dcb0b.1237813499.git.eduard.munteanu@linux360.ro>
Signed-off-by: NIngo Molnar <mingo@elte.hu>

kernel/trace/kmemtrace.c

@@ -52,6 +52,7 @@ static inline void kmemtrace_alloc(enum kmemtrace_type_id type_id,
 	tracing_generic_entry_update(&entry->ent, 0, 0);
 
 	entry->ent.type = TRACE_KMEM_ALLOC;
+	entry->type_id = type_id;
 	entry->call_site = call_site;
 	entry->ptr = ptr;
 	entry->bytes_req = bytes_req;