diff options
| author |   Alex Deucher <alexander.deucher@amd.com> | 2019-08-09 13:07:28 -0500 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2019-08-09 13:07:28 -0500 |
| commit | 3f61fd41f38328f0a585eaba2d72d339fe9aecda (patch) | |
| tree | 4a6fe7dc98a44dec003833a7fa440daa6c304a28 /kernel/bpf/queue_stack_maps.c | |
| parent | drm/amdgpu: remove RREG64/WREG64 (diff) | |
| parent | Linux 5.3-rc3 (diff) | |
Merge tag 'v5.3-rc3' into drm-next-5.4
Linux 5.3-rc3
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'kernel/bpf/queue_stack_maps.c')
| -rw-r--r-- | kernel/bpf/queue_stack_maps.c | 13 |
1 files changed, 6 insertions, 7 deletions
diff --git a/kernel/bpf/queue_stack_maps.c b/kernel/bpf/queue_stack_maps.c index 0b140d236889..f697647ceb54 100644 --- a/kernel/bpf/queue_stack_maps.c +++ b/kernel/bpf/queue_stack_maps.c @@ -67,29 +67,28 @@ static int queue_stack_map_alloc_check(union bpf_attr *attr) static struct bpf_map *queue_stack_map_alloc(union bpf_attr *attr) { int ret, numa_node = bpf_map_attr_numa_node(attr); + struct bpf_map_memory mem = {0}; struct bpf_queue_stack *qs; u64 size, queue_size, cost; size = (u64) attr->max_entries + 1; cost = queue_size = sizeof(*qs) + size * attr->value_size; - if (cost >= U32_MAX - PAGE_SIZE) - return ERR_PTR(-E2BIG); - cost = round_up(cost, PAGE_SIZE) >> PAGE_SHIFT; - - ret = bpf_map_precharge_memlock(cost); + ret = bpf_map_charge_init(&mem, cost); if (ret < 0) return ERR_PTR(ret); qs = bpf_map_area_alloc(queue_size, numa_node); - if (!qs) + if (!qs) { + bpf_map_charge_finish(&mem); return ERR_PTR(-ENOMEM); + } memset(qs, 0, sizeof(*qs)); bpf_map_init_from_attr(&qs->map, attr); - qs->map.pages = cost; + bpf_map_charge_move(&qs->map.memory, &mem); qs->size = size; raw_spin_lock_init(&qs->lock); |