Re: [PATCH v7 7/7] mm/memory_hotplug: Enable runtime update of memmap_on_memory parameter

2023-08-02 Thread Verma, Vishal L
On Wed, 2023-08-02 at 21:27 +0530, Aneesh Kumar K V wrote: > On 8/2/23 9:24 PM, David Hildenbrand wrote: > > On 02.08.23 17:50, Michal Hocko wrote: > > > On Wed 02-08-23 10:15:04, Aneesh Kumar K V wrote: > > > > On 8/1/23 4:20 PM, Michal Hocko wrote: > > > > > On Tue 01-08-23 14:58:29, Aneesh

Re: [PATCH v7 6/7] mm/memory_hotplug: Embed vmem_altmap details in memory block

2023-08-01 Thread Verma, Vishal L
On Tue, 2023-08-01 at 10:11 +0530, Aneesh Kumar K.V wrote: > With memmap on memory, some architecture needs more details w.r.t altmap > such as base_pfn, end_pfn, etc to unmap vmemmap memory. Instead of > computing them again when we remove a memory block, embed vmem_altmap > details in struct

Re: [PATCH] libnvdimm: Add a NULL entry to 'nvdimm_firmware_attributes'

2020-08-14 Thread Verma, Vishal L
On Fri, 2020-08-14 at 10:10 -0700, Ira Weiny wrote: > On Fri, Aug 14, 2020 at 08:35:09PM +0530, Vaibhav Jain wrote: > > We recently discovered a kernel oops with 'papr_scm' module while > > booting ppc64 phyp guest with following back-trace: > > > > BUG: Kernel NULL pointer dereference on write

Re: [PATCH] mm/nvdimm: Fix endian conversion issues 

2019-06-10 Thread Verma, Vishal L
On Fri, 2019-06-07 at 12:17 +0530, Aneesh Kumar K.V wrote: > nd_label->dpa issue was observed when trying to enable the namespace created > with little-endian kernel on a big-endian kernel. That made me run > `sparse` on the rest of the code and other changes are the result of that. > >