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path: root/drivers/crypto/hisilicon/sgl.c
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Diffstat (limited to 'drivers/crypto/hisilicon/sgl.c')
-rw-r--r--drivers/crypto/hisilicon/sgl.c6
1 files changed, 3 insertions, 3 deletions
diff --git a/drivers/crypto/hisilicon/sgl.c b/drivers/crypto/hisilicon/sgl.c
index 09586a837b1e..3df7a256e919 100644
--- a/drivers/crypto/hisilicon/sgl.c
+++ b/drivers/crypto/hisilicon/sgl.c
@@ -70,11 +70,11 @@ struct hisi_acc_sgl_pool *hisi_acc_create_sgl_pool(struct device *dev,
HISI_ACC_SGL_ALIGN_SIZE);
/*
- * the pool may allocate a block of memory of size PAGE_SIZE * 2^(MAX_ORDER - 1),
+ * the pool may allocate a block of memory of size PAGE_SIZE * 2^MAX_ORDER,
* block size may exceed 2^31 on ia64, so the max of block size is 2^31
*/
- block_size = 1 << (PAGE_SHIFT + MAX_ORDER <= 32 ?
- PAGE_SHIFT + MAX_ORDER - 1 : 31);
+ block_size = 1 << (PAGE_SHIFT + MAX_ORDER < 32 ?
+ PAGE_SHIFT + MAX_ORDER : 31);
sgl_num_per_block = block_size / sgl_size;
block_num = count / sgl_num_per_block;
remain_sgl = count % sgl_num_per_block;