Messages in this thread | | | Subject | Re: [PATCH bpf-next 3/3] bpf: verifier: allocate idmap scratch in verifier env | From | Edward Cree <> | Date | Thu, 29 Apr 2021 15:52:47 +0100 |
| |
On 29/04/2021 14:46, Lorenz Bauer wrote: > func_states_equal makes a very short lived allocation for idmap, > probably because it's too large to fit on the stack. However the > function is called quite often, leading to a lot of alloc / free > churn. Replace the temporary allocation with dedicated scratch > space in struct bpf_verifier_env. > > Signed-off-by: Lorenz Bauer <lmb@cloudflare.com> Acked-by: Edward Cree <ecree.xilinx@gmail.com>
| |