Messages in this thread | | | Subject | Re: [PATCH bpf-next v4 0/3] bpf, arm64: use BPF prog pack allocator in BPF JIT | From | Daniel Borkmann <> | Date | Mon, 3 Jul 2023 19:54:31 +0200 |
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On 7/3/23 7:15 PM, Mark Rutland wrote: [...] >> On 6/26/23 10:58 AM, Puranjay Mohan wrote: >>> BPF programs currently consume a page each on ARM64. For systems with many BPF >>> programs, this adds significant pressure to instruction TLB. High iTLB pressure >>> usually causes slow down for the whole system. >>> >>> Song Liu introduced the BPF prog pack allocator[1] to mitigate the above issue. >>> It packs multiple BPF programs into a single huge page. It is currently only >>> enabled for the x86_64 BPF JIT. >>> >>> This patch series enables the BPF prog pack allocator for the ARM64 BPF JIT. > >> If you get a chance to take another look at the v4 changes from Puranjay and >> in case they look good to you reply with an Ack, that would be great. > > Sure -- this is on my queue of things to look at; it might just take me a few > days to get the time to give this a proper look.
Awesome, thanks Mark!
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