diff options
Diffstat (limited to 'kernel/bpf/arraymap.c')
| -rw-r--r-- | kernel/bpf/arraymap.c | 18 |
1 files changed, 7 insertions, 11 deletions
diff --git a/kernel/bpf/arraymap.c b/kernel/bpf/arraymap.c index 229a5d5df977..3d55d95dcf49 100644 --- a/kernel/bpf/arraymap.c +++ b/kernel/bpf/arraymap.c | |||
| @@ -11,7 +11,6 @@ | |||
| 11 | */ | 11 | */ |
| 12 | #include <linux/bpf.h> | 12 | #include <linux/bpf.h> |
| 13 | #include <linux/err.h> | 13 | #include <linux/err.h> |
| 14 | #include <linux/vmalloc.h> | ||
| 15 | #include <linux/slab.h> | 14 | #include <linux/slab.h> |
| 16 | #include <linux/mm.h> | 15 | #include <linux/mm.h> |
| 17 | #include <linux/filter.h> | 16 | #include <linux/filter.h> |
| @@ -74,14 +73,10 @@ static struct bpf_map *array_map_alloc(union bpf_attr *attr) | |||
| 74 | if (array_size >= U32_MAX - PAGE_SIZE) | 73 | if (array_size >= U32_MAX - PAGE_SIZE) |
| 75 | return ERR_PTR(-ENOMEM); | 74 | return ERR_PTR(-ENOMEM); |
| 76 | 75 | ||
| 77 | |||
| 78 | /* allocate all map elements and zero-initialize them */ | 76 | /* allocate all map elements and zero-initialize them */ |
| 79 | array = kzalloc(array_size, GFP_USER | __GFP_NOWARN); | 77 | array = bpf_map_area_alloc(array_size); |
| 80 | if (!array) { | 78 | if (!array) |
| 81 | array = vzalloc(array_size); | 79 | return ERR_PTR(-ENOMEM); |
| 82 | if (!array) | ||
| 83 | return ERR_PTR(-ENOMEM); | ||
| 84 | } | ||
| 85 | 80 | ||
| 86 | /* copy mandatory map attributes */ | 81 | /* copy mandatory map attributes */ |
| 87 | array->map.map_type = attr->map_type; | 82 | array->map.map_type = attr->map_type; |
| @@ -97,7 +92,7 @@ static struct bpf_map *array_map_alloc(union bpf_attr *attr) | |||
| 97 | 92 | ||
| 98 | if (array_size >= U32_MAX - PAGE_SIZE || | 93 | if (array_size >= U32_MAX - PAGE_SIZE || |
| 99 | elem_size > PCPU_MIN_UNIT_SIZE || bpf_array_alloc_percpu(array)) { | 94 | elem_size > PCPU_MIN_UNIT_SIZE || bpf_array_alloc_percpu(array)) { |
| 100 | kvfree(array); | 95 | bpf_map_area_free(array); |
| 101 | return ERR_PTR(-ENOMEM); | 96 | return ERR_PTR(-ENOMEM); |
| 102 | } | 97 | } |
| 103 | out: | 98 | out: |
| @@ -262,7 +257,7 @@ static void array_map_free(struct bpf_map *map) | |||
| 262 | if (array->map.map_type == BPF_MAP_TYPE_PERCPU_ARRAY) | 257 | if (array->map.map_type == BPF_MAP_TYPE_PERCPU_ARRAY) |
| 263 | bpf_array_free_percpu(array); | 258 | bpf_array_free_percpu(array); |
| 264 | 259 | ||
| 265 | kvfree(array); | 260 | bpf_map_area_free(array); |
| 266 | } | 261 | } |
| 267 | 262 | ||
| 268 | static const struct bpf_map_ops array_ops = { | 263 | static const struct bpf_map_ops array_ops = { |
| @@ -319,7 +314,8 @@ static void fd_array_map_free(struct bpf_map *map) | |||
| 319 | /* make sure it's empty */ | 314 | /* make sure it's empty */ |
| 320 | for (i = 0; i < array->map.max_entries; i++) | 315 | for (i = 0; i < array->map.max_entries; i++) |
| 321 | BUG_ON(array->ptrs[i] != NULL); | 316 | BUG_ON(array->ptrs[i] != NULL); |
| 322 | kvfree(array); | 317 | |
| 318 | bpf_map_area_free(array); | ||
| 323 | } | 319 | } |
| 324 | 320 | ||
| 325 | static void *fd_array_map_lookup_elem(struct bpf_map *map, void *key) | 321 | static void *fd_array_map_lookup_elem(struct bpf_map *map, void *key) |
