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-rw-r--r--kernel/bpf/cpumap.c5
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;