Commit 0b06bb3f authored Oct 07, 2016 by Joonsoo Kim Committed by Linus Torvalds Oct 07, 2016

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: Joonsoo Kim <iamjoonsoo.kim@lge.com>
Acked-by: Vlastimil 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: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus 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)

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