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

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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>
This commit is contained in:
Tejun Heo 2015-02-13 14:38:02 -08:00 committed by Linus Torvalds
parent 5024c1d71b
commit 9e763e0f4f
1 changed files with 3 additions and 4 deletions
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7
mm/mempolicy.c
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@ -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));
}