Re: [PATCH 00/13] mm: jit/text allocator

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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.



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