diff options
| author | Joonsoo Kim <[email protected]> | 2016-10-07 16:58:24 -0700 |
|---|---|---|
| committer | Linus Torvalds <[email protected]> | 2016-10-07 18:46:27 -0700 |
| commit | 0b06bb3f6075803a92a0075ba4eb44888dd8a68a (patch) | |
| tree | 1db8e5e82339847fd4b87da8c9befddcd36ef6c4 | |
| parent | e2f612e673f61931b2fe62722832cf5fcf6b3313 (diff) | |
mm/page_ext: rename offset to index
Here, 'offset' means entry index in page_ext array. Following patch
will use 'offset' for field offset in each entry so rename current
'offset' to prevent confusion.
Link: http://lkml.kernel.org/r/[email protected]
Signed-off-by: Joonsoo Kim <[email protected]>
Acked-by: Vlastimil Babka <[email protected]>
Cc: Minchan Kim <[email protected]>
Cc: Michal Hocko <[email protected]>
Cc: Sergey Senozhatsky <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
Signed-off-by: Linus Torvalds <[email protected]>
| -rw-r--r-- | mm/page_ext.c | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/mm/page_ext.c b/mm/page_ext.c index 44a4c029c8e7..16292829c5c5 100644 --- a/mm/page_ext.c +++ b/mm/page_ext.c @@ -102,7 +102,7 @@ void __meminit pgdat_page_ext_init(struct pglist_data *pgdat) struct page_ext *lookup_page_ext(struct page *page) { unsigned long pfn = page_to_pfn(page); - unsigned long offset; + unsigned long index; struct page_ext *base; base = NODE_DATA(page_to_nid(page))->node_page_ext; @@ -119,9 +119,9 @@ struct page_ext *lookup_page_ext(struct page *page) if (unlikely(!base)) return NULL; #endif - offset = pfn - round_down(node_start_pfn(page_to_nid(page)), + index = pfn - round_down(node_start_pfn(page_to_nid(page)), MAX_ORDER_NR_PAGES); - return base + offset; + return base + index; } static int __init alloc_node_page_ext(int nid) |