bitmap: use %*pb[l] to print bitmaps including cpumasks and nodemasks
authorTejun Heo <tj@kernel.org>
Fri, 13 Feb 2015 22:37:00 +0000 (14:37 -0800)
committerLinus Torvalds <torvalds@linux-foundation.org>
Sat, 14 Feb 2015 05:21:36 +0000 (21:21 -0800)
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>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
lib/bitmap.c

index e85040b..088adbd 100644 (file)
@@ -541,8 +541,8 @@ int bitmap_print_to_pagebuf(bool list, char *buf, const unsigned long *maskp,
        int n = 0;
 
        if (len > 1) {
-               n = list ? bitmap_scnlistprintf(buf, len, maskp, nmaskbits) :
-                          bitmap_scnprintf(buf, len, maskp, nmaskbits);
+               n = list ? scnprintf(buf, len, "%*pbl", nmaskbits, maskp) :
+                          scnprintf(buf, len, "%*pb", nmaskbits, maskp);
                buf[n++] = '\n';
                buf[n] = '\0';
        }