On Thu, 2013-01-10 at 21:02 +0100, Andi Kleen wrote: > > This only mentions that the system supports hot-plugging, and IMHO if the > > user decides not to use CONFIG_MEMORY_HOTPLUG, it shouldn't be considered an error. > > Therefore would it be ok to drop the check? Or am I missing something? > > The very strict checks were originally implemented because various early > BIOS had largely fictional SRATs, and trusting them blindly caused > boot failures or a lot of wasted memory for unnecessary hotplug zones. > The wasted memory was mainly a problem with the old memory hotplug > implementation that pre-allocated memmaps, that's not a problem anymore. > However there may be still some other failure cases. > Would you be willing to take a patch that drops this check then? Or do you see any other scenario where it would still be valid? Thanks, Davidlohr -- To unsubscribe from this list: send the line "unsubscribe linux-acpi" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html