From: Ralph Campbell <rcampbell@nvidia.com>
Date: Tue, 13 Oct 2020 23:58:42 +0000 (-0700)
Subject: mm/migrate: remove obsolete comment about device public
X-Git-Tag: v5.15~2704^2
X-Git-Url: https://git.proxmox.com/?a=commitdiff_plain;h=f1f4f3ab54e9a52c7610c998ff8255f019742e67;p=mirror_ubuntu-kernels.git

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@nvidia.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Reviewed-by: Jason Gunthorpe <jgg@nvidia.com>
Cc: Jerome Glisse <jglisse@redhat.com>
Cc: John Hubbard <jhubbard@nvidia.com>
Cc: Christoph Hellwig <hch@lst.de>
Link: http://lkml.kernel.org/r/20200827190735.12752-2-rcampbell@nvidia.com
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---

diff --git a/mm/migrate.c b/mm/migrate.c
index b0734900e953..f94d7c7eeddf 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);