diff mbox series

[bpf-next,v7,08/34] bpf: refine memcg-based memory accounting for arraymap maps

Message ID 20201119173754.4125257-9-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: 4 this patch: 4
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, 22 lines checked
netdev/build_allmodconfig_warn success Errors and warnings before: 4 this patch: 4
netdev/header_inline success Link
netdev/stable success Stable not CCed

Commit Message

Roman Gushchin Nov. 19, 2020, 5:37 p.m. UTC 
Include percpu arrays and auxiliary data into the memcg-based memory
accounting.

Signed-off-by: Roman Gushchin <guro@fb.com>
Acked-by: Song Liu <songliubraving@fb.com>
---
 kernel/bpf/arraymap.c | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)
diff mbox series

Patch

diff --git a/kernel/bpf/arraymap.c b/kernel/bpf/arraymap.c
index c6c81eceb68f..92b650123c22 100644
--- a/kernel/bpf/arraymap.c
+++ b/kernel/bpf/arraymap.c
@@ -30,12 +30,12 @@  static void bpf_array_free_percpu(struct bpf_array *array)
 
 static int bpf_array_alloc_percpu(struct bpf_array *array)
 {
+	const gfp_t gfp = GFP_USER | __GFP_NOWARN | __GFP_ACCOUNT;
 	void __percpu *ptr;
 	int i;
 
 	for (i = 0; i < array->map.max_entries; i++) {
-		ptr = __alloc_percpu_gfp(array->elem_size, 8,
-					 GFP_USER | __GFP_NOWARN);
+		ptr = __alloc_percpu_gfp(array->elem_size, 8, gfp);
 		if (!ptr) {
 			bpf_array_free_percpu(array);
 			return -ENOMEM;
@@ -1018,7 +1018,7 @@  static struct bpf_map *prog_array_map_alloc(union bpf_attr *attr)
 	struct bpf_array_aux *aux;
 	struct bpf_map *map;
 
-	aux = kzalloc(sizeof(*aux), GFP_KERNEL);
+	aux = kzalloc(sizeof(*aux), GFP_KERNEL_ACCOUNT);
 	if (!aux)
 		return ERR_PTR(-ENOMEM);