On Wed, May 23, 2018 at 05:11:51PM +0200, David Hildenbrand wrote: > Kernel modules that want to control how/when memory is onlined/offlined > need a proper interface to these functions. Also, for adding memory > properly, memory_block_size_bytes is required.
Which module? Please send it along with the enabling code. > --- a/drivers/base/memory.c > +++ b/drivers/base/memory.c > @@ -88,6 +88,7 @@ unsigned long __weak memory_block_size_bytes(void) > { > return MIN_MEMORY_BLOCK_SIZE; > } > +EXPORT_SYMBOL(memory_block_size_bytes); > +EXPORT_SYMBOL(mem_hotplug_begin); > +EXPORT_SYMBOL(mem_hotplug_done); EXPORT_SYMBOL_GPL for any deep down VM internals, please.