perf symbols: Make symbol_conf global

This simplifies a lot of functions, less stuff to be done by
tool writers.

Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Cc: Frédéric Weisbecker <fweisbec@gmail.com>
Cc: Mike Galbraith <efault@gmx.de>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Cc: Paul Mackerras <paulus@samba.org>
LKML-Reference: <1260914682-29652-1-git-send-email-acme@infradead.org>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
diff --git a/tools/perf/util/symbol.h b/tools/perf/util/symbol.h
index 941ef33..7662947 100644
--- a/tools/perf/util/symbol.h
+++ b/tools/perf/util/symbol.h
@@ -57,11 +57,11 @@
 	const char	*vmlinux_name;
 };
 
-extern unsigned int symbol__priv_size;
+extern struct symbol_conf symbol_conf;
 
 static inline void *symbol__priv(struct symbol *self)
 {
-	return ((void *)self) - symbol__priv_size;
+	return ((void *)self) - symbol_conf.priv_size;
 }
 
 struct addr_location {
@@ -119,9 +119,8 @@
 bool dsos__read_build_ids(void);
 int build_id__sprintf(u8 *self, int len, char *bf);
 
-int symbol__init(struct symbol_conf *conf);
-int perf_session__create_kernel_maps(struct perf_session *self,
-				     struct symbol_conf *conf);
+int symbol__init(void);
+int perf_session__create_kernel_maps(struct perf_session *self);
 
 extern struct list_head dsos__user, dsos__kernel;
 extern struct dso *vdso;