RE: [PATCH v4 02/25] mm/memory_hotplug: Allow check_hotplug_memory_addressable to be called from drivers

2020-04-01 Thread Alastair D'Silva
T > Sudhakar ; Hari Bathini > ; Thomas Gleixner ; Greg > Kurz ; Nicholas Piggin ; Masahiro > Yamada ; Alexey Kardashevskiy > ; Linux Kernel Mailing List ; > linuxppc-dev ; linux-nvdimm nvd...@lists.01.org>; Linux MM > Subject: Re: [PATCH v4 02/25] mm/memory_hotplug: Allow &g

Re: [PATCH v4 02/25] mm/memory_hotplug: Allow check_hotplug_memory_addressable to be called from drivers

2020-04-01 Thread Dan Williams
On Sun, Mar 29, 2020 at 10:23 PM Alastair D'Silva wrote: > > When setting up OpenCAPI connected persistent memory, the range check may > not be performed until quite late (or perhaps not at all, if the user does > not establish a DAX device). > > This patch makes the range check callable so we