Re: [patch] mm, debug: allow suppressing panic on CONFIG_DEBUG_VM checks

[Linus Torvalds]

On Mon, May 22, 2023 at 11:39 AM David Rientjes <rientjes@xxxxxxxxxx> wrote:
>
> I think VM_BUG_ON*() and friends are used to crash the kernel for
> debugging so that we get a crash dump and because some variants don't
> exist for VM_WARN_ON().

I do think that from a VM developer standpoint, I think it should be
fine to just effectively turn VM_BUG_ON() into WARN_ON_ONCE() together
with panic_on_warn.

Maybe we could even extend 'panic_on_warn' to be a bitmap and
effectively have a "don't panic on non-VM warnings" option.

                Linus