Re: [PATCH v4 09/25] mm/gup.c: Remove redundant check for PCI P2PDMA page
From: David Hildenbrand <hidden>
Date: 2024-12-17 22:06:31
Also in:
linux-arm-kernel, linux-cxl, linux-doc, linux-ext4, linux-fsdevel, linux-mm, linux-xfs, lkml, nvdimm
On 17.12.24 06:12, Alistair Popple wrote:
PCI P2PDMA pages are not mapped with pXX_devmap PTEs therefore the check in __gup_device_huge() is redundant. Remove it Signed-off-by: Alistair Popple <apopple@nvidia.com> Reviewed-by: Jason Gunthorpe <jgg@nvidia.com> Reviewed-by: Dan Wiliams <redacted> Acked-by: David Hildenbrand <redacted> ---
Nit: patch subject should start with "mm/gup: ...". -- Cheers, David / dhildenb