Messages in this thread Patch in this message | | | From | Sasha Levin <> | Subject | [PATCH AUTOSEL 6.5 15/15] dm-crypt: start allocating with MAX_ORDER | Date | Wed, 22 Nov 2023 10:33:17 -0500 |
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From: Mikulas Patocka <mpatocka@redhat.com>
[ Upstream commit 13648e04a9b831b3dfa5cf3887dfa6cf8fe5fe69 ]
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-crypt and start trying to allocate compound pages with MAX_ORDER.
Signed-off-by: Mikulas Patocka <mpatocka@redhat.com> Signed-off-by: Mike Snitzer <snitzer@kernel.org> Signed-off-by: Sasha Levin <sashal@kernel.org> --- drivers/md/dm-crypt.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/md/dm-crypt.c b/drivers/md/dm-crypt.c index dc0463bf3c2cf..696e5895edb7d 100644 --- a/drivers/md/dm-crypt.c +++ b/drivers/md/dm-crypt.c @@ -1680,7 +1680,7 @@ static struct bio *crypt_alloc_buffer(struct dm_crypt_io *io, unsigned int size) unsigned int nr_iovecs = (size + PAGE_SIZE - 1) >> PAGE_SHIFT; gfp_t gfp_mask = GFP_NOWAIT | __GFP_HIGHMEM; unsigned int remaining_size; - unsigned int order = MAX_ORDER - 1; + unsigned int order = MAX_ORDER; retry: if (unlikely(gfp_mask & __GFP_DIRECT_RECLAIM)) -- 2.42.0
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