summaryrefslogtreecommitdiff
path: root/kernel/bpf/core.c
diff options
context:
space:
mode:
authorOtavio Salvador <otavio@ossystems.com.br>2022-01-12 07:40:50 -0300
committerGitHub <noreply@github.com>2022-01-12 07:40:50 -0300
commit712fcc850e5a6d0867b0d97a0b79f1addd01998f (patch)
treed092452bebc70059ffa9f913a1daea74d656300e /kernel/bpf/core.c
parente99f775ed2f46b225106f0a156116a0080d16740 (diff)
parent0156d956a951c70743d2338132662b29aeb8847d (diff)
Merge pull request #517 from denisdrozdov/5.4-2.3.x-imx
Merge tag 'v5.4.161' into 5.4-2.3.x-imx
Diffstat (limited to 'kernel/bpf/core.c')
-rw-r--r--kernel/bpf/core.c4
1 files changed, 3 insertions, 1 deletions
diff --git a/kernel/bpf/core.c b/kernel/bpf/core.c
index d9a3d995bd96..1238ef9c569d 100644
--- a/kernel/bpf/core.c
+++ b/kernel/bpf/core.c
@@ -523,6 +523,7 @@ int bpf_jit_enable __read_mostly = IS_BUILTIN(CONFIG_BPF_JIT_ALWAYS_ON);
int bpf_jit_harden __read_mostly;
int bpf_jit_kallsyms __read_mostly;
long bpf_jit_limit __read_mostly;
+long bpf_jit_limit_max __read_mostly;
static __always_inline void
bpf_get_prog_addr_region(const struct bpf_prog *prog,
@@ -759,7 +760,8 @@ u64 __weak bpf_jit_alloc_exec_limit(void)
static int __init bpf_jit_charge_init(void)
{
/* Only used as heuristic here to derive limit. */
- bpf_jit_limit = min_t(u64, round_up(bpf_jit_alloc_exec_limit() >> 2,
+ bpf_jit_limit_max = bpf_jit_alloc_exec_limit();
+ bpf_jit_limit = min_t(u64, round_up(bpf_jit_limit_max >> 2,
PAGE_SIZE), LONG_MAX);
return 0;
}