diff options
| author | Ian Campbell <ian.campbell@citrix.com> | 2011-07-25 17:11:51 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2011-07-25 20:57:07 -0700 |
| commit | 33dd4e0ec91138c3d80e790c08a3db47426c81f2 (patch) | |
| tree | 5b244874a004cc8a34033846f4e504c9306bf025 /mm/sparse.c | |
| parent | ee8f248d266ec6966c0ce6b7dec24de43dcc1b58 (diff) | |
mm: make some struct page's const
These uses are read-only and in a subsequent patch I have a const struct
page in my hand...
[akpm@linux-foundation.org: fix warnings in lowmem_page_address()]
Signed-off-by: Ian Campbell <ian.campbell@citrix.com>
Cc: Rik van Riel <riel@redhat.com>
Cc: Andrea Arcangeli <aarcange@redhat.com>
Cc: Mel Gorman <mel@csn.ul.ie>
Cc: Michel Lespinasse <walken@google.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'mm/sparse.c')
| -rw-r--r-- | mm/sparse.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/mm/sparse.c b/mm/sparse.c index aa64b12831a..858e1dff9b2 100644 --- a/mm/sparse.c +++ b/mm/sparse.c @@ -40,7 +40,7 @@ static u8 section_to_node_table[NR_MEM_SECTIONS] __cacheline_aligned; static u16 section_to_node_table[NR_MEM_SECTIONS] __cacheline_aligned; #endif -int page_to_nid(struct page *page) +int page_to_nid(const struct page *page) { return section_to_node_table[page_to_section(page)]; } |