diff options
author | Roman Gushchin <guro@fb.com> | 2020-12-01 13:58:31 -0800 |
---|---|---|
committer | Alexei Starovoitov <ast@kernel.org> | 2020-12-02 18:28:06 -0800 |
commit | ddf8503c7c434374a1112e89bcedfe1ccb3057df (patch) | |
tree | ff6d3472f961844d69f589996d85fe6b54f40ea3 | |
parent | 18b2db3b0385226b71cb3288474fa5a6e4a45474 (diff) | |
download | linux-ddf8503c7c434374a1112e89bcedfe1ccb3057df.tar.bz2 |
bpf: Memcg-based memory accounting for bpf progs
Include memory used by bpf programs into the memcg-based accounting.
This includes the memory used by programs itself, auxiliary data,
statistics and bpf line info. A memory cgroup containing the
process which loads the program is getting charged.
Signed-off-by: Roman Gushchin <guro@fb.com>
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
Acked-by: Song Liu <songliubraving@fb.com>
Link: https://lore.kernel.org/bpf/20201201215900.3569844-6-guro@fb.com
-rw-r--r-- | kernel/bpf/core.c | 10 |
1 files changed, 5 insertions, 5 deletions
diff --git a/kernel/bpf/core.c b/kernel/bpf/core.c index ff55cbcfbab4..2921f58c03a8 100644 --- a/kernel/bpf/core.c +++ b/kernel/bpf/core.c @@ -77,7 +77,7 @@ void *bpf_internal_load_pointer_neg_helper(const struct sk_buff *skb, int k, uns struct bpf_prog *bpf_prog_alloc_no_stats(unsigned int size, gfp_t gfp_extra_flags) { - gfp_t gfp_flags = GFP_KERNEL | __GFP_ZERO | gfp_extra_flags; + gfp_t gfp_flags = GFP_KERNEL_ACCOUNT | __GFP_ZERO | gfp_extra_flags; struct bpf_prog_aux *aux; struct bpf_prog *fp; @@ -86,7 +86,7 @@ struct bpf_prog *bpf_prog_alloc_no_stats(unsigned int size, gfp_t gfp_extra_flag if (fp == NULL) return NULL; - aux = kzalloc(sizeof(*aux), GFP_KERNEL | gfp_extra_flags); + aux = kzalloc(sizeof(*aux), GFP_KERNEL_ACCOUNT | gfp_extra_flags); if (aux == NULL) { vfree(fp); return NULL; @@ -106,7 +106,7 @@ struct bpf_prog *bpf_prog_alloc_no_stats(unsigned int size, gfp_t gfp_extra_flag struct bpf_prog *bpf_prog_alloc(unsigned int size, gfp_t gfp_extra_flags) { - gfp_t gfp_flags = GFP_KERNEL | __GFP_ZERO | gfp_extra_flags; + gfp_t gfp_flags = GFP_KERNEL_ACCOUNT | __GFP_ZERO | gfp_extra_flags; struct bpf_prog *prog; int cpu; @@ -138,7 +138,7 @@ int bpf_prog_alloc_jited_linfo(struct bpf_prog *prog) prog->aux->jited_linfo = kcalloc(prog->aux->nr_linfo, sizeof(*prog->aux->jited_linfo), - GFP_KERNEL | __GFP_NOWARN); + GFP_KERNEL_ACCOUNT | __GFP_NOWARN); if (!prog->aux->jited_linfo) return -ENOMEM; @@ -219,7 +219,7 @@ void bpf_prog_free_linfo(struct bpf_prog *prog) struct bpf_prog *bpf_prog_realloc(struct bpf_prog *fp_old, unsigned int size, gfp_t gfp_extra_flags) { - gfp_t gfp_flags = GFP_KERNEL | __GFP_ZERO | gfp_extra_flags; + gfp_t gfp_flags = GFP_KERNEL_ACCOUNT | __GFP_ZERO | gfp_extra_flags; struct bpf_prog *fp; u32 pages, delta; int ret; |