From: wesleywesley <wesleysheng...@sina.com>
Each prp is 8 bytes, calculate the number of prps
per page should just divide page size by 8
there is no need to minus 1
Signed-off-by: wesleywesley <wesleysheng...@sina.com>
---
drivers/nvme/nvme.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/nvme/nvme.c b/drivers/nvme/nvme.c
index fc64d93ab8..622bb378c0 100644
--- a/drivers/nvme/nvme.c
+++ b/drivers/nvme/nvme.c
@@ -79,7 +79,7 @@ static int nvme_setup_prps(struct nvme_dev *dev, u64 *prp2,
u64 *prp_pool;
int length = total_len;
int i, nprps;
- u32 prps_per_page = (page_size >> 3) - 1;
+ u32 prps_per_page = page_size >> 3;
u32 num_pages;
length -= (page_size - offset);
--
2.25.1
