Re: [PATCH 1/5] powerpc/64s/radix: Fix memory hotplug section page table creation

2019-08-22 Thread Michael Ellerman
On Wed, 2019-07-24 at 08:46:34 UTC, Nicholas Piggin wrote: > create_physical_mapping expects physical addresses, but creating and > splitting these mappings after boot is supplying virtual (effective) > addresses. This can be irritated by booting with mem= to limit memory > then probing an unused p

Re: [PATCH 1/5] powerpc/64s/radix: Fix memory hotplug section page table creation

2019-07-24 Thread Aneesh Kumar K.V
Nicholas Piggin writes: > create_physical_mapping expects physical addresses, but creating and > splitting these mappings after boot is supplying virtual (effective) > addresses. This can be irritated by booting with mem= to limit memory > then probing an unused physical memory range: > > echo

[PATCH 1/5] powerpc/64s/radix: Fix memory hotplug section page table creation

2019-07-24 Thread Nicholas Piggin
create_physical_mapping expects physical addresses, but creating and splitting these mappings after boot is supplying virtual (effective) addresses. This can be irritated by booting with mem= to limit memory then probing an unused physical memory range: echo > /sys/devices/system/memory/probe