tile: 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 <tj@kernel.org>
Cc: Chris Metcalf <cmetcalf@tilera.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
diff --git a/arch/tile/mm/init.c b/arch/tile/mm/init.c
index be240cc..ace32d7 100644
--- a/arch/tile/mm/init.c
+++ b/arch/tile/mm/init.c
@@ -353,15 +353,13 @@
/* Neighborhood ktext pages on specified mask */
else if (cpulist_parse(str, &ktext_mask) == 0) {
- char buf[NR_CPUS * 5];
- cpulist_scnprintf(buf, sizeof(buf), &ktext_mask);
if (cpumask_weight(&ktext_mask) > 1) {
ktext_small = 1;
- pr_info("ktext: using caching neighborhood %s with small pages\n",
- buf);
+ pr_info("ktext: using caching neighborhood %*pbl with small pages\n",
+ cpumask_pr_args(&ktext_mask));
} else {
- pr_info("ktext: caching on cpu %s with one huge page\n",
- buf);
+ pr_info("ktext: caching on cpu %*pbl with one huge page\n",
+ cpumask_pr_args(&ktext_mask));
}
}
@@ -492,11 +490,9 @@
struct cpumask bad;
cpumask_andnot(&bad, &ktext_mask, cpu_possible_mask);
cpumask_and(&ktext_mask, &ktext_mask, cpu_possible_mask);
- if (!cpumask_empty(&bad)) {
- char buf[NR_CPUS * 5];
- cpulist_scnprintf(buf, sizeof(buf), &bad);
- pr_info("ktext: not using unavailable cpus %s\n", buf);
- }
+ if (!cpumask_empty(&bad))
+ pr_info("ktext: not using unavailable cpus %*pbl\n",
+ cpumask_pr_args(&bad));
if (cpumask_empty(&ktext_mask)) {
pr_warn("ktext: no valid cpus; caching on %d\n",
smp_processor_id());