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mm/migrate: remove obsolete comment about device public

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Device public memory never had an in tree consumer and was removed in
commit 25b2995a35 ("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>
This commit is contained in:
Ralph Campbell 2020-10-13 16:58:42 -07:00 committed by Linus Torvalds
parent 4257889124
commit f1f4f3ab54
1 changed files with 1 additions and 1 deletions
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mm/migrate.c
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@ -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);