Messages in this thread Patch in this message | | | From | Lorenz Bauer <> | Subject | [PATCH bpf-next 2/4] bpf: define bpf_jit_alloc_exec_limit for arm64 JIT | Date | Fri, 24 Sep 2021 10:55:40 +0100 |
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Expose the maximum amount of useable memory from the arm64 JIT.
Signed-off-by: Lorenz Bauer <lmb@cloudflare.com> --- arch/arm64/net/bpf_jit_comp.c | 5 +++++ 1 file changed, 5 insertions(+)
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 @@ struct bpf_prog *bpf_int_jit_compile(struct bpf_prog *prog) 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, -- 2.30.2
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