On Wed, 2020-01-08 at 06:46:47 UTC, "Aneesh Kumar K.V" wrote: > Setting ND_REGION_PAGEMAP flag implies namespace mode defaults to fsdax mode. > This also means kernel ends up creating struct page backing for these namspace > ranges. With large namespaces that is not the right thing to do. We > should let the user select the mode he/she wants the namespace to be created > with. > > Hence disable ND_REGION_PAGEMAP for papr_scm regions. We still keep the flag > for > of_pmem because it supports only small persistent memory regions. > > This is similar to what is done for x86 with commit > commit: 004f1afbe199 ("libnvdimm, pmem: direct map legacy pmem by default") > > Signed-off-by: Aneesh Kumar K.V <aneesh.ku...@linux.ibm.com>
Applied to powerpc next, thanks. https://git.kernel.org/powerpc/c/7e6f8cbc5e10cf7601c762db267b795273d53078 cheers