[PATCH v6 09/34] bpf: refine memcg-based memory accounting for cpumap maps
From: Roman Gushchin <hidden>
Date: 2020-11-17 02:56:12
Also in:
bpf, linux-mm, lkml
Subsystem:
bpf [general] (safe dynamic programs and tools), the rest, xdp (express data path) · Maintainers:
Alexei Starovoitov, Daniel Borkmann, Andrii Nakryiko, Eduard Zingerman, Kumar Kartikeya Dwivedi, Linus Torvalds, David S. Miller, Jakub Kicinski, Jesper Dangaard Brouer, John Fastabend
Include metadata and percpu data into the memcg-based memory accounting. Signed-off-by: Roman Gushchin <redacted> Acked-by: Song Liu <redacted> --- kernel/bpf/cpumap.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/kernel/bpf/cpumap.c b/kernel/bpf/cpumap.c
index c61a23b564aa..563f96cc8a9d 100644
--- a/kernel/bpf/cpumap.c
+++ b/kernel/bpf/cpumap.c@@ -97,7 +97,7 @@ static struct bpf_map *cpu_map_alloc(union bpf_attr *attr) attr->map_flags & ~BPF_F_NUMA_NODE) return ERR_PTR(-EINVAL); - cmap = kzalloc(sizeof(*cmap), GFP_USER); + cmap = kzalloc(sizeof(*cmap), GFP_USER | __GFP_ACCOUNT); if (!cmap) return ERR_PTR(-ENOMEM);
@@ -415,7 +415,7 @@ static struct bpf_cpu_map_entry * __cpu_map_entry_alloc(struct bpf_cpumap_val *value, u32 cpu, int map_id) { int numa, err, i, fd = value->bpf_prog.fd; - gfp_t gfp = GFP_KERNEL | __GFP_NOWARN; + gfp_t gfp = GFP_KERNEL_ACCOUNT | __GFP_NOWARN; struct bpf_cpu_map_entry *rcpu; struct xdp_bulk_queue *bq;
--
2.26.2