bpf: Use cpumask_next_wrap() in get_next_cpu()

Fushuai Wang · Kernel Patches Daemon · commit 7a05f1b30661 · 2025-08-08T11:44:12.000-07:00
Replace the manual sequence of cpumask_next() and cpumask_first()
with a single call to cpumask_next_wrap() in get_next_cpu().

Signed-off-by: Fushuai Wang &lt;wangfushuai@baidu.com&gt;
Acked-by: Yonghong Song &lt;yonghong.song@linux.dev&gt;
diff --git a/kernel/bpf/bpf_lru_list.c b/kernel/bpf/bpf_lru_list.c
@@ -21,10 +21,7 @@
 
 static int get_next_cpu(int cpu)
 {
-	cpu = cpumask_next(cpu, cpu_possible_mask);
-	if (cpu >= nr_cpu_ids)
-		cpu = cpumask_first(cpu_possible_mask);
-	return cpu;
+	return cpumask_next_wrap(cpu, cpu_possible_mask);
 }
 
 /* Local list helpers */

Original file line number	Diff line number	Diff line change
`@@ -21,10 +21,7 @@`
`21`	`21`
`22`	`22`	`static int get_next_cpu(int cpu)`
`23`	`23`	`{`
`24`		`- cpu = cpumask_next(cpu, cpu_possible_mask);`
`25`		`- if (cpu >= nr_cpu_ids)`
`26`		`- cpu = cpumask_first(cpu_possible_mask);`
`27`		`- return cpu;`
	`24`	`+ return cpumask_next_wrap(cpu, cpu_possible_mask);`
`28`	`25`	`}`
`29`	`26`
`30`	`27`	`/* Local list helpers */`