diff options
Diffstat (limited to 'kernel/bpf/cpumap.c')
-rw-r--r-- | kernel/bpf/cpumap.c | 5 |
1 files changed, 1 insertions, 4 deletions
diff --git a/kernel/bpf/cpumap.c b/kernel/bpf/cpumap.c index c633c8d68023..b31a71909307 100644 --- a/kernel/bpf/cpumap.c +++ b/kernel/bpf/cpumap.c @@ -106,12 +106,9 @@ static struct bpf_map *cpu_map_alloc(union bpf_attr *attr) /* make sure page count doesn't overflow */ cost = (u64) cmap->map.max_entries * sizeof(struct bpf_cpu_map_entry *); cost += cpu_map_bitmap_size(attr) * num_possible_cpus(); - if (cost >= U32_MAX - PAGE_SIZE) - goto free_cmap; /* Notice returns -EPERM on if map size is larger than memlock limit */ - ret = bpf_map_charge_init(&cmap->map.memory, - round_up(cost, PAGE_SIZE) >> PAGE_SHIFT); + ret = bpf_map_charge_init(&cmap->map.memory, cost); if (ret) { err = ret; goto free_cmap; |