[Patch] kexec: improve the debug printf in get_crash_notes_per_cpu()

[WANG Cong]

Signed-off-by: WANG Cong <xiyou.wangcong at gmail.com>

---
diff --git a/kexec/crashdump.c b/kexec/crashdump.c
index 945b052..e7ac42c 100644
--- a/kexec/crashdump.c
+++ b/kexec/crashdump.c
@@ -102,8 +102,8 @@ int get_crash_notes_per_cpu(int cpu, uint64_t *addr, uint64_t *len)
 		die("Cannot parse %s: %s\n", crash_notes, strerror(errno));
 	*addr = (uint64_t) temp;
 	*len = MAX_NOTE_BYTES; /* we should get this from the kernel instead */
-#if 0
-	printf("crash_notes addr = %Lx\n", *addr);
+#ifdef DEBUG
+	printf("%s: crash_notes addr = %Lx\n", __function__, *addr);
 #endif
 
 	fclose(fp);