mm/page_ext: rename offset to index

[cascardo/linux.git] / mm / page_ext.c

diff --git a/mm/page_ext.c b/mm/page_ext.c
index 44a4c02..1629282 100644 (file)
--- 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)