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Message-ID: <667d0861a0e2_5ff42946d@dwillia2-mobl3.amr.corp.intel.com.notmuch>
Date: Wed, 26 Jun 2024 23:36:17 -0700
From: Dan Williams <dan.j.williams@...el.com>
To: Alistair Popple <apopple@...dia.com>, <dan.j.williams@...el.com>,
<vishal.l.verma@...el.com>, <dave.jiang@...el.com>, <logang@...tatee.com>,
<bhelgaas@...gle.com>, <jack@...e.cz>, <jgg@...pe.ca>
CC: <catalin.marinas@....com>, <will@...nel.org>, <mpe@...erman.id.au>,
<npiggin@...il.com>, <dave.hansen@...ux.intel.com>, <ira.weiny@...el.com>,
<willy@...radead.org>, <djwong@...nel.org>, <tytso@....edu>,
<linmiaohe@...wei.com>, <david@...hat.com>, <peterx@...hat.com>,
<linux-doc@...r.kernel.org>, <linux-kernel@...r.kernel.org>,
<linux-arm-kernel@...ts.infradead.org>, <linuxppc-dev@...ts.ozlabs.org>,
<nvdimm@...ts.linux.dev>, <linux-cxl@...r.kernel.org>,
<linux-fsdevel@...r.kernel.org>, <linux-mm@...ck.org>,
<linux-ext4@...r.kernel.org>, <linux-xfs@...r.kernel.org>,
<jhubbard@...dia.com>, <hch@....de>, <david@...morbit.com>, Alistair Popple
<apopple@...dia.com>, Jason Gunthorpe <jgg@...dia.com>
Subject: Re: [PATCH 01/13] mm/gup.c: Remove redundant check for PCI P2PDMA
page
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@...dia.com>
> Reviewed-by: Jason Gunthorpe <jgg@...dia.com>
> Acked-by: David Hildenbrand <david@...hat.com>
Acked-by: Dan Williams <dan.j.williams@...el.com>
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