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| author | Lorenz Bauer <lmb@cloudflare.com> | 2021-10-14 15:25:52 +0100 |
|---|---|---|
| committer | Alexei Starovoitov <ast@kernel.org> | 2021-10-22 17:23:53 -0700 |
| commit | 5d63ae908242f028bd10860cba98450d11c079b8 (patch) | |
| tree | 8a61663724c9480bd6657a9698090ad35b2a2da6 | |
| parent | 8f04db78e4e36a5d4858ce841a3e9cc3d69bde36 (diff) | |
bpf: Define bpf_jit_alloc_exec_limit for arm64 JIT
Expose the maximum amount of useable memory from the arm64 JIT.
Signed-off-by: Lorenz Bauer <lmb@cloudflare.com>
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
Link: https://lore.kernel.org/bpf/20211014142554.53120-3-lmb@cloudflare.com
| -rw-r--r-- | arch/arm64/net/bpf_jit_comp.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/arch/arm64/net/bpf_jit_comp.c b/arch/arm64/net/bpf_jit_comp.c index 41c23f474ea6..803e7773fa86 100644 --- a/arch/arm64/net/bpf_jit_comp.c +++ b/arch/arm64/net/bpf_jit_comp.c @@ -1136,6 +1136,11 @@ out: return prog; } +u64 bpf_jit_alloc_exec_limit(void) +{ + return BPF_JIT_REGION_SIZE; +} + void *bpf_jit_alloc_exec(unsigned long size) { return __vmalloc_node_range(size, PAGE_SIZE, BPF_JIT_REGION_START, |