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-rw-r--r--drivers/md/bitmap.c6
1 files changed, 1 insertions, 5 deletions
diff --git a/drivers/md/bitmap.c b/drivers/md/bitmap.c
index 9a8e66ae04f5..67f8b31e2054 100644
--- a/drivers/md/bitmap.c
+++ b/drivers/md/bitmap.c
@@ -669,17 +669,13 @@ static inline unsigned long file_page_offset(struct bitmap_storage *store,
/*
* return a pointer to the page in the filemap that contains the given bit
*
- * this lookup is complicated by the fact that the bitmap sb might be exactly
- * 1 page (e.g., x86) or less than 1 page -- so the bitmap might start on page
- * 0 or page 1
*/
static inline struct page *filemap_get_page(struct bitmap_storage *store,
unsigned long chunk)
{
if (file_page_index(store, chunk) >= store->file_pages)
return NULL;
- return store->filemap[file_page_index(store, chunk)
- - file_page_index(store, 0)];
+ return store->filemap[file_page_index(store, chunk)];
}
static int bitmap_storage_alloc(struct bitmap_storage *store,