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| author |   Dmitry Torokhov <dmitry.torokhov@gmail.com> | 2017-10-23 11:43:40 -0700 |
|---|---|---|
| committer | Dmitry Torokhov <dmitry.torokhov@gmail.com> | 2017-10-23 11:43:40 -0700 |
| commit | 91de76e661a266731fc2889a398ad1694df9d523 (patch) | |
| tree | ecc278f000f18e5b2b880f61ee4b0e68ebd1d6d4 /lib/cpumask.c | |
| parent | Input: edt-ft5x06 - implement support for the EDT-M12 series (diff) | |
| parent | Linux 4.14-rc6 (diff) | |
| download | linux-dev-91de76e661a266731fc2889a398ad1694df9d523.tar.xz linux-dev-91de76e661a266731fc2889a398ad1694df9d523.zip | |
Merge tag 'v4.14-rc6' into next
Merge with mainline to bring in the timer API changes.
Diffstat (limited to 'lib/cpumask.c')
| -rw-r--r-- | lib/cpumask.c | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/lib/cpumask.c b/lib/cpumask.c index 4731a0895760..8b1a1bd77539 100644 --- a/lib/cpumask.c +++ b/lib/cpumask.c @@ -6,6 +6,22 @@ #include <linux/bootmem.h> /** + * cpumask_next - get the next cpu in a cpumask + * @n: the cpu prior to the place to search (ie. return will be > @n) + * @srcp: the cpumask pointer + * + * Returns >= nr_cpu_ids if no further cpus set. + */ +unsigned int cpumask_next(int n, const struct cpumask *srcp) +{ + /* -1 is a legal arg here. */ + if (n != -1) + cpumask_check(n); + return find_next_bit(cpumask_bits(srcp), nr_cpumask_bits, n + 1); +} +EXPORT_SYMBOL(cpumask_next); + +/** * cpumask_next_and - get the next cpu in *src1p & *src2p * @n: the cpu prior to the place to search (ie. return will be > @n) * @src1p: the first cpumask pointer |