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Commit 0b06bb3f authored by Joonsoo Kim's avatar Joonsoo Kim Committed by Linus Torvalds
Browse files

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/1471315879-32294-5-git-send-email-iamjoonsoo.kim@lge.com


Signed-off-by: default avatarJoonsoo Kim <iamjoonsoo.kim@lge.com>
Acked-by: default avatarVlastimil Babka <vbabka@suse.cz>
Cc: Minchan Kim <minchan@kernel.org>
Cc: Michal Hocko <mhocko@kernel.org>
Cc: Sergey Senozhatsky <sergey.senozhatsky@gmail.com>
Signed-off-by: default avatarAndrew Morton <akpm@linux-foundation.org>
Signed-off-by: default avatarLinus Torvalds <torvalds@linux-foundation.org>
parent e2f612e6

mm/page_ext.c

+3 −3
Original line number Diff line number Diff line
@@ -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)