Commit 23baf831a32c ("mm, treewide: redefine MAX_ORDER sanely")
changed the meaning of MAX_ORDER from exclusive to inclusive. So, we
can allocate compound pages with up to 1 << MAX_ORDER pages.
Reflect this change in dm-flakey and start trying to allocate compound
pages with MAX_ORDER.
---
drivers/md/dm-flakey.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
Index: linux-2.6/drivers/md/dm-flakey.c
===================================================================
--- linux-2.6.orig/drivers/md/dm-flakey.c 2023-09-05 14:45:58.000000000 +0200
+++ linux-2.6/drivers/md/dm-flakey.c 2023-11-28 14:41:03.000000000 +0100
@@ -434,7 +434,7 @@ static struct bio *clone_bio(struct dm_t
remaining_size = size;
- order = MAX_ORDER - 1;
+ order = MAX_ORDER;
while (remaining_size) {
struct page *pages;
unsigned size_to_add, to_copy;
