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authorJoonsoo Kim <iamjoonsoo.kim@lge.com>2016-10-07 16:58:24 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2016-10-07 18:46:27 -0700
commit0b06bb3f6075803a92a0075ba4eb44888dd8a68a (patch)
tree1db8e5e82339847fd4b87da8c9befddcd36ef6c4 /mm
parente2f612e673f61931b2fe62722832cf5fcf6b3313 (diff)
downloadop-kernel-dev-0b06bb3f6075803a92a0075ba4eb44888dd8a68a.zip
op-kernel-dev-0b06bb3f6075803a92a0075ba4eb44888dd8a68a.tar.gz
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>
Diffstat (limited to 'mm')
-rw-r--r--mm/page_ext.c6
1 files changed, 3 insertions, 3 deletions
diff --git a/mm/page_ext.c b/mm/page_ext.c
index 44a4c02..1629282 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)
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