On Mon, Jul 03, 2023 at 06:40:21PM +0200, Daniel Borkmann wrote: > Hi Mark, Hi Daniel, > 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. Thanks, Mark.
