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| author |   Dmitry Torokhov <dmitry.torokhov@gmail.com> | 2019-09-16 09:56:27 -0700 |
|---|---|---|
| committer | Dmitry Torokhov <dmitry.torokhov@gmail.com> | 2019-09-16 09:56:27 -0700 |
| commit | 0898782247ae533d1f4e47a06bc5d4870931b284 (patch) | |
| tree | 21f75cc590542a870f42350b9410fc0588f02b79 /kernel/bpf/queue_stack_maps.c | |
| parent | Input: elan_i2c - remove Lenovo Legion Y7000 PnpID (diff) | |
| parent | Input: sidewinder - make array seq static const, makes object smaller (diff) | |
Merge branch 'next' into for-linus
Prepare input updates for 5.4 merge window.
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); |