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!
