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authorRoman Gushchin <guro@fb.com>2020-12-01 13:58:31 -0800
committerAlexei Starovoitov <ast@kernel.org>2020-12-02 18:28:06 -0800
commitddf8503c7c434374a1112e89bcedfe1ccb3057df (patch)
treeff6d3472f961844d69f589996d85fe6b54f40ea3 /kernel
parent18b2db3b0385226b71cb3288474fa5a6e4a45474 (diff)
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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
Diffstat (limited to 'kernel')
-rw-r--r--kernel/bpf/core.c10
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;