[PATCH 2/4 net-next] cpumask: define cleanup function for cpumasks

From: Souradeep Chakrabarti
Date: Tue Jan 09 2024 - 05:52:37 EST


From: Yury Norov <yury.norov@xxxxxxxxx>

Now we can simplify code that allocates cpumasks for local needs.

Signed-off-by: Yury Norov <yury.norov@xxxxxxxxx>
---
include/linux/cpumask.h | 3 +++
1 file changed, 3 insertions(+)

diff --git a/include/linux/cpumask.h b/include/linux/cpumask.h
index 228c23eb36d2..1c29947db848 100644
--- a/include/linux/cpumask.h
+++ b/include/linux/cpumask.h
@@ -7,6 +7,7 @@
* set of CPUs in a system, one bit position per CPU number. In general,
* only nr_cpu_ids (<= NR_CPUS) bits are valid.
*/
+#include <linux/cleanup.h>
#include <linux/kernel.h>
#include <linux/threads.h>
#include <linux/bitmap.h>
@@ -990,6 +991,8 @@ static inline bool cpumask_available(cpumask_var_t mask)
}
#endif /* CONFIG_CPUMASK_OFFSTACK */

+DEFINE_FREE(free_cpumask_var, struct cpumask *, if (_T) free_cpumask_var(_T));
+
/* It's common to want to use cpu_all_mask in struct member initializers,
* so it has to refer to an address rather than a pointer. */
extern const DECLARE_BITMAP(cpu_all_bits, NR_CPUS);
--
2.34.1