mm: use %*pb[l] to print bitmaps including cpumasks and nodemasks

printk and friends can now format bitmaps using '%*pb[l]'. cpumask and nodemask also provide cpumask_pr_args() and nodemask_pr_args() respectively which can be used to generate the two printf arguments necessary to format the specified cpu/nodemask. Signed-off-by: Tejun Heo <[email protected]> Signed-off-by: Andrew Morton <[email protected]> Signed-off-by: Linus Torvalds <[email protected]>
chewitt · Feb 14, 2015 · 9e763e0 · 9e763e0
1 parent 5024c1d
commit 9e763e0
Showing 1 changed file with 3 additions and 4 deletions.
diff --git a/mm/mempolicy.c b/mm/mempolicy.c
@@ -2817,8 +2817,7 @@ void mpol_to_str(char *buffer, int maxlen, struct mempolicy *pol)
 			p += snprintf(p, buffer + maxlen - p, "relative");
 	}
 
-	if (!nodes_empty(nodes)) {
-		p += snprintf(p, buffer + maxlen - p, ":");
-	 	p += nodelist_scnprintf(p, buffer + maxlen - p, nodes);
-	}
+	if (!nodes_empty(nodes))
+		p += scnprintf(p, buffer + maxlen - p, ":%*pbl",
+			       nodemask_pr_args(&nodes));
 }