On Fri, Jun 02, 2023 at 11:20:58AM -0700, Song Liu wrote: > IIUC, arm64 uses VMALLOC address space for BPF programs. The reason > is each BPF program uses at least 64kB (one page) out of the 128MB > address space. Puranjay Mohan (CC'ed) is working on enabling > bpf_prog_pack for arm64. Once this work is done, multiple BPF programs > will be able to share a page. Will this improvement remove the need to > specify a different address range for BPF programs? Can we please stop working on BPF specific sub page allocation and focus on doing this in mm/? This never should have been in BPF in the first place.
