Message ID | 20201201215900.3569844-15-guro@fb.com (mailing list archive) |
---|---|
State | Accepted |
Commit | be4035c734d12918866c5eb2c496d420aa80adeb |
Delegated to: | BPF |
Headers | show |
Series | bpf: switch to memcg-based memory accounting | expand |
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, 29 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 |
diff --git a/kernel/bpf/ringbuf.c b/kernel/bpf/ringbuf.c index 31cb04a4dd2d..8983a46f6580 100644 --- a/kernel/bpf/ringbuf.c +++ b/kernel/bpf/ringbuf.c @@ -60,8 +60,8 @@ struct bpf_ringbuf_hdr { static struct bpf_ringbuf *bpf_ringbuf_area_alloc(size_t data_sz, int numa_node) { - const gfp_t flags = GFP_KERNEL | __GFP_RETRY_MAYFAIL | __GFP_NOWARN | - __GFP_ZERO; + const gfp_t flags = GFP_KERNEL_ACCOUNT | __GFP_RETRY_MAYFAIL | + __GFP_NOWARN | __GFP_ZERO; int nr_meta_pages = RINGBUF_PGOFF + RINGBUF_POS_PAGES; int nr_data_pages = data_sz >> PAGE_SHIFT; int nr_pages = nr_meta_pages + nr_data_pages; @@ -88,10 +88,7 @@ static struct bpf_ringbuf *bpf_ringbuf_area_alloc(size_t data_sz, int numa_node) * user-space implementations significantly. */ array_size = (nr_meta_pages + 2 * nr_data_pages) * sizeof(*pages); - if (array_size > PAGE_SIZE) - pages = vmalloc_node(array_size, numa_node); - else - pages = kmalloc_node(array_size, flags, numa_node); + pages = bpf_map_area_alloc(array_size, numa_node); if (!pages) return NULL; @@ -167,7 +164,7 @@ static struct bpf_map *ringbuf_map_alloc(union bpf_attr *attr) return ERR_PTR(-E2BIG); #endif - rb_map = kzalloc(sizeof(*rb_map), GFP_USER); + rb_map = kzalloc(sizeof(*rb_map), GFP_USER | __GFP_ACCOUNT); if (!rb_map) return ERR_PTR(-ENOMEM);
Enable the memcg-based memory accounting for the memory used by the bpf ringbuffer. Signed-off-by: Roman Gushchin <guro@fb.com> --- kernel/bpf/ringbuf.c | 11 ++++------- 1 file changed, 4 insertions(+), 7 deletions(-)