On 09/12/2018 09:36 AM, Alexander Duyck wrote: >> vm_debug = [KNL] Available with CONFIG_DEBUG_VM=y. >> May slow down boot speed, especially on larger- >> memory systems when enabled. >> off: turn off all runtime VM debug features >> all: turn on all debug features (default) > This would introduce a significant amount of code change if we do it > as a parameter that has control over everything. Sure, but don't do that now. Just put page poisoning under it now.