diff mbox series

[bpf-next,v7,15/34] bpf: memcg-based memory accounting for bpf local storage maps

Message ID 20201119173754.4125257-16-guro@fb.com (mailing list archive)
State Changes Requested
Delegated to: BPF
Headers show
Series bpf: switch to memcg-based memory accounting | expand

Checks

Context Check Description
netdev/cover_letter success Link
netdev/fixes_present success Link
netdev/patch_count fail Series longer than 15 patches
netdev/tree_selection success Clearly marked for bpf-next
netdev/subject_prefix success Link
netdev/source_inline success Was 0 now: 0
netdev/verify_signedoff success Link
netdev/module_param success Was 0 now: 0
netdev/build_32bit success Errors and warnings before: 1 this patch: 1
netdev/kdoc success Errors and warnings before: 0 this patch: 0
netdev/verify_fixes success Link
netdev/checkpatch success total: 0 errors, 0 warnings, 0 checks, 36 lines checked
netdev/build_allmodconfig_warn success Errors and warnings before: 1 this patch: 1
netdev/header_inline success Link
netdev/stable success Stable not CCed

Commit Message

Roman Gushchin Nov. 19, 2020, 5:37 p.m. UTC 
Account memory used by bpf local storage maps:
per-socket, per-inode and per-task storages.

Signed-off-by: Roman Gushchin <guro@fb.com>
---
 kernel/bpf/bpf_local_storage.c | 12 ++++++++----
 1 file changed, 8 insertions(+), 4 deletions(-)

Comments

Song Liu Nov. 20, 2020, 1:44 a.m. UTC | #1 
> On Nov 19, 2020, at 9:37 AM, Roman Gushchin <guro@fb.com> wrote:
> 
> Account memory used by bpf local storage maps:
> per-socket, per-inode and per-task storages.
> 
> Signed-off-by: Roman Gushchin <guro@fb.com>

Acked-by: Song Liu <songliubraving@fb.com>
diff mbox series

Patch

diff --git a/kernel/bpf/bpf_local_storage.c b/kernel/bpf/bpf_local_storage.c
index 5d3a7af9ba9b..abd0ea385274 100644
--- a/kernel/bpf/bpf_local_storage.c
+++ b/kernel/bpf/bpf_local_storage.c
@@ -67,7 +67,9 @@  bpf_selem_alloc(struct bpf_local_storage_map *smap, void *owner,
 	if (charge_mem && mem_charge(smap, owner, smap->elem_size))
 		return NULL;
 
-	selem = kzalloc(smap->elem_size, GFP_ATOMIC | __GFP_NOWARN);
+	selem = bpf_map_kmalloc_node(&smap->map, smap->elem_size,
+				     GFP_ATOMIC | __GFP_NOWARN | __GFP_ZERO |
+				     __GFP_ACCOUNT, NUMA_NO_NODE);
 	if (selem) {
 		if (value)
 			memcpy(SDATA(selem)->data, value, smap->map.value_size);
@@ -264,7 +266,9 @@  int bpf_local_storage_alloc(void *owner,
 	if (err)
 		return err;
 
-	storage = kzalloc(sizeof(*storage), GFP_ATOMIC | __GFP_NOWARN);
+	storage = bpf_map_kmalloc_node(&smap->map, sizeof(*storage),
+				       GFP_ATOMIC | __GFP_NOWARN | __GFP_ZERO |
+				       __GFP_ACCOUNT, NUMA_NO_NODE);
 	if (!storage) {
 		err = -ENOMEM;
 		goto uncharge;
@@ -546,7 +550,7 @@  struct bpf_local_storage_map *bpf_local_storage_map_alloc(union bpf_attr *attr)
 	u64 cost;
 	int ret;
 
-	smap = kzalloc(sizeof(*smap), GFP_USER | __GFP_NOWARN);
+	smap = kzalloc(sizeof(*smap), GFP_USER | __GFP_NOWARN | __GFP_ACCOUNT);
 	if (!smap)
 		return ERR_PTR(-ENOMEM);
 	bpf_map_init_from_attr(&smap->map, attr);
@@ -564,7 +568,7 @@  struct bpf_local_storage_map *bpf_local_storage_map_alloc(union bpf_attr *attr)
 	}
 
 	smap->buckets = kvcalloc(sizeof(*smap->buckets), nbuckets,
-				 GFP_USER | __GFP_NOWARN);
+				 GFP_USER | __GFP_NOWARN | __GFP_ACCOUNT);
 	if (!smap->buckets) {
 		bpf_map_charge_finish(&smap->map.memory);
 		kfree(smap);