diff options
Diffstat (limited to 'kernel/bpf/devmap.c')
-rw-r--r-- | kernel/bpf/devmap.c | 5 |
1 files changed, 1 insertions, 4 deletions
diff --git a/kernel/bpf/devmap.c b/kernel/bpf/devmap.c index 371bd880ed58..5ae7cce5ef16 100644 --- a/kernel/bpf/devmap.c +++ b/kernel/bpf/devmap.c @@ -108,12 +108,9 @@ static struct bpf_map *dev_map_alloc(union bpf_attr *attr) /* make sure page count doesn't overflow */ cost = (u64) dtab->map.max_entries * sizeof(struct bpf_dtab_netdev *); cost += dev_map_bitmap_size(attr) * num_possible_cpus(); - if (cost >= U32_MAX - PAGE_SIZE) - goto free_dtab; /* if map size is larger than memlock limit, reject it */ - err = bpf_map_charge_init(&dtab->map.memory, - round_up(cost, PAGE_SIZE) >> PAGE_SHIFT); + err = bpf_map_charge_init(&dtab->map.memory, cost); if (err) goto free_dtab; |