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bpf: Remove redundant __GFP_NOWARN

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Commit 16f5dfbc85 ("gfp: include __GFP_NOWARN in GFP_NOWAIT")
made GFP_NOWAIT implicitly include __GFP_NOWARN.

Therefore, explicit __GFP_NOWARN combined with GFP_NOWAIT
(e.g., `GFP_NOWAIT | __GFP_NOWARN`) is now redundant. Let's clean
up these redundant flags across subsystems.

No functional changes.

Signed-off-by: Qianfeng Rong <rongqianfeng@vivo.com>
Signed-off-by: Andrii Nakryiko <andrii@kernel.org>
Acked-by: Jiri Olsa <jolsa@kernel.org>
Link: https://lore.kernel.org/bpf/20250804122731.460158-1-rongqianfeng@vivo.com
This commit is contained in:
Qianfeng Rong 2025-08-04 20:27:30 +08:00 committed by Andrii Nakryiko
parent 9e293d47bf
commit 3e2b799008
2 changed files with 2 additions and 2 deletions
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2
kernel/bpf/devmap.c
View File

@ -865,7 +865,7 @@ static struct bpf_dtab_netdev *__dev_map_alloc_node(struct net *net,
struct bpf_dtab_netdev *dev;
dev = bpf_map_kmalloc_node(&dtab->map, sizeof(*dev),
GFP_NOWAIT | __GFP_NOWARN,
GFP_NOWAIT,
dtab->map.numa_node);
if (!dev)
return ERR_PTR(-ENOMEM);

2
kernel/bpf/local_storage.c
View File

@ -165,7 +165,7 @@ static long cgroup_storage_update_elem(struct bpf_map *map, void *key,
}
new = bpf_map_kmalloc_node(map, struct_size(new, data, map->value_size),
__GFP_ZERO | GFP_NOWAIT | __GFP_NOWARN,
__GFP_ZERO | GFP_NOWAIT,
map->numa_node);
if (!new)
return -ENOMEM;