Start using the new '%pS' infrastructure to print symbols

This simplifies the code significantly, and was the whole point of the
exercise.

Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

2 files changed, 3 insertions, 27 deletions

diff --git a/arch/x86/kernel/traps_64.c b/arch/x86/kernel/traps_64.c
index adff76e..f1a95d1 100644
--- a/arch/x86/kernel/traps_64.c
+++ b/arch/x86/kernel/traps_64.c
@@ -104,30 +104,7 @@ int kstack_depth_to_print = 12;
 
 void printk_address(unsigned long address, int reliable)
 {
-#ifdef CONFIG_KALLSYMS
-	unsigned long offset = 0, symsize;
-	const char *symname;
-	char *modname;
-	char *delim = ":";
-	char namebuf[KSYM_NAME_LEN];
-	char reliab[4] = "";
-
-	symname = kallsyms_lookup(address, &symsize, &offset,
-					&modname, namebuf);
-	if (!symname) {
-		printk(" [<%016lx>]\n", address);
-		return;
-	}
-	if (!reliable)
-		strcpy(reliab, "? ");
-
-	if (!modname)
-		modname = delim = "";
-	printk(" [<%016lx>] %s%s%s%s%s+0x%lx/0x%lx\n",
-		address, reliab, delim, modname, delim, symname, offset, symsize);
-#else
-	printk(" [<%016lx>]\n", address);
-#endif
+	printk(" [<%016lx>] %s%pS\n", address, reliable ? "": "? ", (void *) address);
 }
 
 static unsigned long *in_exception_stack(unsigned cpu, unsigned long stack,
diff --git a/mm/slub.c b/mm/slub.c
index 315c392..5f6e2c4 100644
--- a/mm/slub.c
+++ b/mm/slub.c
@@ -431,9 +431,8 @@ static void print_track(const char *s, struct track *t)
 	if (!t->addr)
 		return;
 
-	printk(KERN_ERR "INFO: %s in ", s);
-	__print_symbol("%s", (unsigned long)t->addr);
-	printk(" age=%lu cpu=%u pid=%d\n", jiffies - t->when, t->cpu, t->pid);
+	printk(KERN_ERR "INFO: %s in %pS age=%lu cpu=%u pid=%d\n",
+		s, t->addr, jiffies - t->when, t->cpu, t->pid);
 }
 
 static void print_tracking(struct kmem_cache *s, void *object)