tree f7c1b4e82fe8eeaad8ce61a5e9e4d301accaf32b
parent f991879473828f320a714e9494fb37a26ccd6b66
author Ian Campbell <ian.campbell@citrix.com> 1313599233 +0100
committer Linus Torvalds <torvalds@linux-foundation.org> 1313611220 -0700

mm: fix __page_to_pfn for a const struct page argument

This allows the cast in lowmem_page_address (introduced as a warning
fixup to 33dd4e0ec911 "mm: make some struct page's const") to be
removed.

Propagate const'ness to page_to_section() as well since it is required
by __page_to_pfn.

Signed-off-by: Ian Campbell <ian.campbell@citrix.com>
Acked-by: Rik van Riel <riel@redhat.com>
Cc: Andrea Arcangeli <aarcange@redhat.com>
Cc: Michel Lespinasse <walken@google.com>
Cc: Mel Gorman <mel@csn.ul.ie>
Cc: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>