diff options
| author | Tejun Heo <tj@kernel.org> | 2015-02-14 01:37:56 +0300 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2015-02-14 08:21:38 +0300 |
| commit | f799b1a7fbd24cf0dc4fa33818c172bd70571bd1 (patch) | |
| tree | 650574cd56b463d1b7080f8a4a38f62c93ccff9d | |
| parent | 125918dbd836d19b5dccc2690388b29e575f91a4 (diff) | |
| download | linux-f799b1a7fbd24cf0dc4fa33818c172bd70571bd1.tar.xz | |
drivers/base: 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.
* Line termination only requires one extra space at the end of the
buffer. Use PAGE_SIZE - 1 instead of PAGE_SIZE - 2 when formatting.
Signed-off-by: Tejun Heo <tj@kernel.org>
Acked-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
| -rw-r--r-- | drivers/base/cpu.c | 2 | ||||
| -rw-r--r-- | drivers/base/node.c | 3 |
2 files changed, 3 insertions, 2 deletions
diff --git a/drivers/base/cpu.c b/drivers/base/cpu.c index f829a4c71749..f160ea44a86d 100644 --- a/drivers/base/cpu.c +++ b/drivers/base/cpu.c @@ -245,7 +245,7 @@ static ssize_t print_cpus_offline(struct device *dev, if (!alloc_cpumask_var(&offline, GFP_KERNEL)) return -ENOMEM; cpumask_andnot(offline, cpu_possible_mask, cpu_online_mask); - n = cpulist_scnprintf(buf, len, offline); + n = scnprintf(buf, len, "%*pbl", cpumask_pr_args(offline)); free_cpumask_var(offline); /* display offline cpus >= nr_cpu_ids */ diff --git a/drivers/base/node.c b/drivers/base/node.c index a3b82e9c7f20..36fabe43cd44 100644 --- a/drivers/base/node.c +++ b/drivers/base/node.c @@ -605,7 +605,8 @@ static ssize_t print_nodes_state(enum node_states state, char *buf) { int n; - n = nodelist_scnprintf(buf, PAGE_SIZE-2, node_states[state]); + n = scnprintf(buf, PAGE_SIZE - 1, "%*pbl", + nodemask_pr_args(&node_states[state])); buf[n++] = '\n'; buf[n] = '\0'; return n; |