On Tue, Dec 10, 2019 at 11:11:03AM +0100, David Hildenbrand wrote: > Some things that might be relevant from my config. > > # CONFIG_PAGE_POISONING is not set > CONFIG_DEFERRED_STRUCT_PAGE_INIT=y > CONFIG_SPARSEMEM_EXTREME=y > CONFIG_SPARSEMEM_VMEMMAP_ENABLE=y > CONFIG_SPARSEMEM_VMEMMAP=y > CONFIG_HAVE_MEMBLOCK_NODE_MAP=y > CONFIG_MEMORY_HOTPLUG=y > CONFIG_MEMORY_HOTPLUG_SPARSE=y > CONFIG_MEMORY_HOTPLUG_DEFAULT_ONLINE=y Thanks for all that. After some poking around, turns out enabling DEBUG_VM with its page poisoning let me hit it right away, which makes me wonder how often someone would see this without it. Anyway, fix looks good to me. Tested-by: Daniel Jordan <daniel.m.jordan@xxxxxxxxxx>
