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

[Matthew Wilcox]

On Mon, May 22, 2023 at 11:39:27AM -0700, David Rientjes 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().  There's no VM_WARN_ON_PAGE(), for example, unless 
> implicitly converted with this patch.

It could be added, but there's already a VM_WARN_ON_FOLIO() and
VM_WARN_ON_ONCE_PAGE(), so hopefully we just keep converting code
to folios until nobody notices that we might need such a thing.