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authorYury Norov <yury.norov@gmail.com>2022-09-05 16:08:17 -0700
committerYury Norov <yury.norov@gmail.com>2022-09-19 17:51:53 -0700
commit38bef8e57f2149acd2c910a98f57dd6291d2e0ec (patch)
treec4a62158f1967502fa801529406a5a04624048f2 /include/linux/cpumask.h
parent53fc190cc6771c5494d782210334d4ebb50c7103 (diff)
smp: add set_nr_cpu_ids()
In preparation to support compile-time nr_cpu_ids, add a setter for the variable. This is a no-op for all arches. Signed-off-by: Yury Norov <yury.norov@gmail.com>
Diffstat (limited to 'include/linux/cpumask.h')
-rw-r--r--include/linux/cpumask.h5
1 files changed, 5 insertions, 0 deletions
diff --git a/include/linux/cpumask.h b/include/linux/cpumask.h
index e8ad12b5b9d2..24763997894d 100644
--- a/include/linux/cpumask.h
+++ b/include/linux/cpumask.h
@@ -39,6 +39,11 @@ typedef struct cpumask { DECLARE_BITMAP(bits, NR_CPUS); } cpumask_t;
#define nr_cpu_ids 1U
#else
extern unsigned int nr_cpu_ids;
+
+static inline void set_nr_cpu_ids(unsigned int nr)
+{
+ nr_cpu_ids = nr;
+}
#endif
#ifdef CONFIG_CPUMASK_OFFSTACK