On Fri, 24 Apr 2026 05:24:01 -0700 Breno Leitao <[email protected]> wrote:
> Add documentation for the new vm.panic_on_unrecoverable_memory_failure > sysctl, describing the three categories of failures that trigger a > panic and noting which kernel page types are not yet covered. > > > ... > > +When enabled, this sysctl triggers a panic on three categories of > +unrecoverable failures: reserved kernel pages, non-buddy kernel pages > +with zero refcount (e.g. tail pages of high-order allocations), and > +pages whose state cannot be classified as recoverable. Before someone asks, I wonder if we should make this a bitfield thing, so people can select which of the above three should get the panic treatment.
