linux-kernel - [PATCH] mm/migrate: remove obsolete comment about device public

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Message-ID: <20200827190735.12752-2-rcampbell@nvidia.com>
Date:   Thu, 27 Aug 2020 12:07:35 -0700
From:   Ralph Campbell <rcampbell@...dia.com>
To:     <linux-mm@...ck.org>, <linux-kernel@...r.kernel.org>
CC:     Jerome Glisse <jglisse@...hat.com>,
        John Hubbard <jhubbard@...dia.com>,
        Christoph Hellwig <hch@....de>,
        Jason Gunthorpe <jgg@...dia.com>,
        Andrew Morton <akpm@...ux-foundation.org>,
        Ralph Campbell <rcampbell@...dia.com>
Subject: [PATCH] mm/migrate: remove obsolete comment about device public

Device public memory never had an in tree consumer and was removed in
commit 25b2995a35b6 ("mm: remove MEMORY_DEVICE_PUBLIC support").
Delete the obsolete comment.

Signed-off-by: Ralph Campbell <rcampbell@...dia.com>
---

This applies to linux-mm and is for Andrew Morton's tree.

 mm/migrate.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/mm/migrate.c b/mm/migrate.c
index eb859f7a9811..34fdd25a26db 100644
--- a/mm/migrate.c
+++ b/mm/migrate.c
@@ -381,7 +381,7 @@ static int expected_page_refs(struct address_space *mapping, struct page *page)
 	int expected_count = 1;
 
 	/*
-	 * Device public or private pages have an extra refcount as they are
+	 * Device private pages have an extra refcount as they are
 	 * ZONE_DEVICE pages.
 	 */
 	expected_count += is_device_private_page(page);
-- 
2.20.1