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Diffstat (limited to 'kernel/bpf/stackmap.c')
-rw-r--r--kernel/bpf/stackmap.c20
1 files changed, 8 insertions, 12 deletions
diff --git a/kernel/bpf/stackmap.c b/kernel/bpf/stackmap.c
index 732ae16d12b7..be8519148c25 100644
--- a/kernel/bpf/stackmap.c
+++ b/kernel/bpf/stackmap.c
@@ -7,7 +7,6 @@
#include <linux/bpf.h>
#include <linux/jhash.h>
#include <linux/filter.h>
-#include <linux/vmalloc.h>
#include <linux/stacktrace.h>
#include <linux/perf_event.h>
#include "percpu_freelist.h"
@@ -32,7 +31,7 @@ static int prealloc_elems_and_freelist(struct bpf_stack_map *smap)
u32 elem_size = sizeof(struct stack_map_bucket) + smap->map.value_size;
int err;
- smap->elems = vzalloc(elem_size * smap->map.max_entries);
+ smap->elems = bpf_map_area_alloc(elem_size * smap->map.max_entries);
if (!smap->elems)
return -ENOMEM;
@@ -45,7 +44,7 @@ static int prealloc_elems_and_freelist(struct bpf_stack_map *smap)
return 0;
free_elems:
- vfree(smap->elems);
+ bpf_map_area_free(smap->elems);
return err;
}
@@ -76,12 +75,9 @@ static struct bpf_map *stack_map_alloc(union bpf_attr *attr)
if (cost >= U32_MAX - PAGE_SIZE)
return ERR_PTR(-E2BIG);
- smap = kzalloc(cost, GFP_USER | __GFP_NOWARN);
- if (!smap) {
- smap = vzalloc(cost);
- if (!smap)
- return ERR_PTR(-ENOMEM);
- }
+ smap = bpf_map_area_alloc(cost);
+ if (!smap)
+ return ERR_PTR(-ENOMEM);
err = -E2BIG;
cost += n_buckets * (value_size + sizeof(struct stack_map_bucket));
@@ -112,7 +108,7 @@ static struct bpf_map *stack_map_alloc(union bpf_attr *attr)
put_buffers:
put_callchain_buffers();
free_smap:
- kvfree(smap);
+ bpf_map_area_free(smap);
return ERR_PTR(err);
}
@@ -262,9 +258,9 @@ static void stack_map_free(struct bpf_map *map)
/* wait for bpf programs to complete before freeing stack map */
synchronize_rcu();
- vfree(smap->elems);
+ bpf_map_area_free(smap->elems);
pcpu_freelist_destroy(&smap->freelist);
- kvfree(smap);
+ bpf_map_area_free(smap);
put_callchain_buffers();
}