Re: [PATCH 09/12] powerpc: Remove checks for devmap pages and PMDs/PUDs
From: Jason Gunthorpe <jgg@ziepe.ca>
Date: 2025-06-03 13:49:07
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dri-devel, linux-arm-kernel, linux-cxl, linux-ext4, linux-fsdevel, linux-mm, linux-riscv, linux-xfs, lkml, loongarch, nvdimm
On Thu, May 29, 2025 at 04:32:10PM +1000, Alistair Popple wrote:
PFN_DEV no longer exists. This means no devmap PMDs or PUDs will be created, so checking for them is redundant. Instead mappings of pages that would have previously returned true for pXd_devmap() will return true for pXd_trans_huge() Signed-off-by: Alistair Popple <apopple@nvidia.com> --- arch/powerpc/mm/book3s64/hash_hugepage.c | 2 +- arch/powerpc/mm/book3s64/hash_pgtable.c | 3 +-- arch/powerpc/mm/book3s64/hugetlbpage.c | 2 +- arch/powerpc/mm/book3s64/pgtable.c | 10 ++++------ arch/powerpc/mm/book3s64/radix_pgtable.c | 5 ++--- arch/powerpc/mm/pgtable.c | 2 +- 6 files changed, 10 insertions(+), 14 deletions(-)
Reviewed-by: Jason Gunthorpe <jgg@nvidia.com> Jason