On Mon, Jul 27, 2020 at 3:07 PM Andrii Nakryiko <andrii.nakry...@gmail.com> wrote: > > On Mon, Jul 27, 2020 at 12:21 PM Roman Gushchin <g...@fb.com> wrote: > > > > As bpf is not using memlock rlimit for memory accounting anymore, > > let's remove the related code from libbpf. > > > > Bpf operations can't fail because of exceeding the limit anymore. > > > > They can't in the newest kernel, but libbpf will keep working and > supporting old kernels for a very long time now. So please don't > remove any of this. > > But it would be nice to add a detection of whether kernel needs a > RLIMIT_MEMLOCK bump or not. Is there some simple and reliable way to > detect this from user-space? >
Agreed. We will need compatibility or similar detection for perf as well. Thanks, Song
