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Diffstat (limited to 'kernel/bpf/percpu_freelist.c')
-rw-r--r--kernel/bpf/percpu_freelist.c23
1 files changed, 11 insertions, 12 deletions
diff --git a/kernel/bpf/percpu_freelist.c b/kernel/bpf/percpu_freelist.c
index b6e7f5c5b9ab..034cf87b54e9 100644
--- a/kernel/bpf/percpu_freelist.c
+++ b/kernel/bpf/percpu_freelist.c
@@ -100,22 +100,21 @@ void pcpu_freelist_populate(struct pcpu_freelist *s, void *buf, u32 elem_size,
u32 nr_elems)
{
struct pcpu_freelist_head *head;
- int i, cpu, pcpu_entries;
+ unsigned int cpu, cpu_idx, i, j, n, m;
- pcpu_entries = nr_elems / num_possible_cpus() + 1;
- i = 0;
+ n = nr_elems / num_possible_cpus();
+ m = nr_elems % num_possible_cpus();
+ cpu_idx = 0;
for_each_possible_cpu(cpu) {
-again:
head = per_cpu_ptr(s->freelist, cpu);
- /* No locking required as this is not visible yet. */
- pcpu_freelist_push_node(head, buf);
- i++;
- buf += elem_size;
- if (i == nr_elems)
- break;
- if (i % pcpu_entries)
- goto again;
+ j = n + (cpu_idx < m ? 1 : 0);
+ for (i = 0; i < j; i++) {
+ /* No locking required as this is not visible yet. */
+ pcpu_freelist_push_node(head, buf);
+ buf += elem_size;
+ }
+ cpu_idx++;
}
}