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bpf: Use bpf_map_area_alloc consistently on bpf map creation

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Let's use the generic helper bpf_map_area_alloc() instead of the
open-coded kzalloc helpers in bpf maps creation path.

Signed-off-by: Yafang Shao <laoar.shao@gmail.com>
Link: https://lore.kernel.org/r/20220810151840.16394-5-laoar.shao@gmail.com
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
This commit is contained in:
Yafang Shao
2022-08-10 15:18:29 +00:00
committed by Alexei Starovoitov
parent 992c9e13f5
commit 73cf09a36b
9 changed files with 28 additions and 29 deletions
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kernel/bpf/ringbuf.c
+3 -3
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@@ -164,7 +164,7 @@ static struct bpf_map *ringbuf_map_alloc(union bpf_attr *attr)
return ERR_PTR(-E2BIG);
#endif
rb_map = kzalloc(sizeof(*rb_map), GFP_USER | __GFP_NOWARN | __GFP_ACCOUNT);
rb_map = bpf_map_area_alloc(sizeof(*rb_map), NUMA_NO_NODE);
if (!rb_map)
return ERR_PTR(-ENOMEM);
@@ -172,7 +172,7 @@ static struct bpf_map *ringbuf_map_alloc(union bpf_attr *attr)
rb_map->rb = bpf_ringbuf_alloc(attr->max_entries, rb_map->map.numa_node);
if (!rb_map->rb) {
kfree(rb_map);
bpf_map_area_free(rb_map);
return ERR_PTR(-ENOMEM);
}
@@ -199,7 +199,7 @@ static void ringbuf_map_free(struct bpf_map *map)
rb_map = container_of(map, struct bpf_ringbuf_map, map);
bpf_ringbuf_free(rb_map->rb);
kfree(rb_map);
bpf_map_area_free(rb_map);
}
static void *ringbuf_map_lookup_elem(struct bpf_map *map, void *key)