Patch "RDMA/hns: Remove redundant 'bt_level' for hem_list_alloc_item()" has been added to the 5.15-stable tree

[Sasha Levin <sashal@xxxxxxxxxx>]

This is a note to let you know that I've just added the patch titled

    RDMA/hns: Remove redundant 'bt_level' for hem_list_alloc_item()

to the 5.15-stable tree which can be found at:
    http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary

The filename of the patch is:
     rdma-hns-remove-redundant-bt_level-for-hem_list_allo.patch
and it can be found in the queue-5.15 subdirectory.

If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.



commit 0033cc171c78741e28b83bafb1185b550d95f37b
Author: Yunsheng Lin <linyunsheng@xxxxxxxxxx>
Date:   Thu Sep 22 20:33:08 2022 +0800

    RDMA/hns: Remove redundant 'bt_level' for hem_list_alloc_item()
    
    [ Upstream commit be1eeb667eb748391b1c8158678fe4d892187793 ]
    
    The 'bt_level' parameter is not used in hem_list_alloc_item(),
    so remove it.
    
    Link: https://lore.kernel.org/r/20220922123315.3732205-6-xuhaoyue1@xxxxxxxxxxxxx
    Signed-off-by: Yunsheng Lin <linyunsheng@xxxxxxxxxx>
    Signed-off-by: Haoyue Xu <xuhaoyue1@xxxxxxxxxxxxx>
    Signed-off-by: Jason Gunthorpe <jgg@xxxxxxxxxx>
    Stable-dep-of: 8673a6c2d9e4 ("RDMA/hns: Fix mapping error of zero-hop WQE buffer")
    Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>

diff --git a/drivers/infiniband/hw/hns/hns_roce_hem.c b/drivers/infiniband/hw/hns/hns_roce_hem.c
index ce2ace2c850d..09298f38be23 100644
--- a/drivers/infiniband/hw/hns/hns_roce_hem.c
+++ b/drivers/infiniband/hw/hns/hns_roce_hem.c
@@ -988,7 +988,7 @@ struct hns_roce_hem_head {
 
 static struct hns_roce_hem_item *
 hem_list_alloc_item(struct hns_roce_dev *hr_dev, int start, int end, int count,
-		    bool exist_bt, int bt_level)
+		    bool exist_bt)
 {
 	struct hns_roce_hem_item *hem;
 
@@ -1199,7 +1199,7 @@ static int hem_list_alloc_mid_bt(struct hns_roce_dev *hr_dev,
 		start_aligned = (distance / step) * step + r->offset;
 		end = min_t(u64, start_aligned + step - 1, max_ofs);
 		cur = hem_list_alloc_item(hr_dev, start_aligned, end, unit,
-					  true, level);
+					  true);
 		if (!cur) {
 			ret = -ENOMEM;
 			goto err_exit;
@@ -1251,7 +1251,7 @@ alloc_root_hem(struct hns_roce_dev *hr_dev, int unit, int *max_ba_num,
 	/* indicate to last region */
 	r = &regions[region_cnt - 1];
 	hem = hem_list_alloc_item(hr_dev, offset, r->offset + r->count - 1,
-				  ba_num, true, 0);
+				  ba_num, true);
 	if (!hem)
 		return ERR_PTR(-ENOMEM);
 
@@ -1268,7 +1268,7 @@ static int alloc_fake_root_bt(struct hns_roce_dev *hr_dev, void *cpu_base,
 	struct hns_roce_hem_item *hem;
 
 	hem = hem_list_alloc_item(hr_dev, r->offset, r->offset + r->count - 1,
-				  r->count, false, 0);
+				  r->count, false);
 	if (!hem)
 		return -ENOMEM;