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Subject[PATCH bpf-next v3 04/29] bpf: refine memcg-based memory accounting for cpumap maps
Date
Include metadata and percpu data into the memcg-based memory accounting.

Signed-off-by: Roman Gushchin <guro@fb.com>
Acked-by: Song Liu <songliubraving@fb.com>
---
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 f1c46529929b..74ae9fcbe82e 100644
--- a/kernel/bpf/cpumap.c
+++ b/kernel/bpf/cpumap.c
@@ -99,7 +99,7 @@ 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);

@@ -418,7 +418,7 @@ 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
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