[Devel] [PATCH RHEL COMMIT] bnx2: Use kvzalloc() to allocate certain internal data

[Konstantin Khorenko]

The commit is pushed to "branch-rh9-5.14.vz9.1.x-ovz" and will appear at https://src.openvz.org/scm/ovz/vzkernel.git
after ark-5.14
------>
commit ddcaea39f7a2e819df81e9e4cdcb36f81b1b5c76
Author: Jan Dakinevich <jan.dakinevich at virtuozzo.com>
Date:   Thu Sep 30 16:04:03 2021 +0300

    bnx2: Use kvzalloc() to allocate certain internal data
    
    These structures are not disigned for DMA'ing and don't require
    physically contiguous memory.
    
    https://jira.sw.ru/browse/HCI-140
    
    Signed-off-by: Jan Dakinevich <jan.dakinevich at virtuozzo.com>
    
    Acked-by: Denis V. Lunev <den at openvz.org>
    
    (cherry-picked from vz7 commit 66e75bd04dab ("bnx2: use kvzalloc() to allocate
    certain internal data"))
    
    Signed-off-by: Andrey Zhadchenko <andrey.zhadchenko at virtuozzo.com>
    
    (cherry picked from vz8 commit 76882e5a79ae23ea03567ee3a9141e55224f40b9)
    Signed-off-by: Andrey Zhadchenko <andrey.zhadchenko at virtuozzo.com>
---
 drivers/net/ethernet/broadcom/bnx2x/bnx2x_cmn.c | 11 +++++------
 drivers/net/ethernet/broadcom/bnx2x/bnx2x_cmn.h |  2 +-
 2 files changed, 6 insertions(+), 7 deletions(-)

diff --git a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_cmn.c b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_cmn.c
index b5d954cb409a..ccb15f87eed0 100644
--- a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_cmn.c
+++ b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_cmn.c
@@ -4568,9 +4568,8 @@ static int bnx2x_alloc_fp_mem_at(struct bnx2x *bp, int index)
 			   "allocating tx memory of fp %d cos %d\n",
 			   index, cos);
 
-			txdata->tx_buf_ring = kcalloc(NUM_TX_BD,
-						      sizeof(struct sw_tx_bd),
-						      GFP_KERNEL);
+			txdata->tx_buf_ring = kvzalloc(sizeof(struct sw_tx_bd) * NUM_TX_BD,
+						       GFP_KERNEL);
 			if (!txdata->tx_buf_ring)
 				goto alloc_mem_err;
 			txdata->tx_desc_ring = BNX2X_PCI_ALLOC(&txdata->tx_desc_mapping,
@@ -4584,7 +4583,7 @@ static int bnx2x_alloc_fp_mem_at(struct bnx2x *bp, int index)
 	if (!skip_rx_queue(bp, index)) {
 		/* fastpath rx rings: rx_buf rx_desc rx_comp */
 		bnx2x_fp(bp, index, rx_buf_ring) =
-			kcalloc(NUM_RX_BD, sizeof(struct sw_rx_bd), GFP_KERNEL);
+			kvzalloc(sizeof(struct sw_rx_bd) * NUM_RX_BD, GFP_KERNEL);
 		if (!bnx2x_fp(bp, index, rx_buf_ring))
 			goto alloc_mem_err;
 		bnx2x_fp(bp, index, rx_desc_ring) =
@@ -4602,8 +4601,8 @@ static int bnx2x_alloc_fp_mem_at(struct bnx2x *bp, int index)
 
 		/* SGE ring */
 		bnx2x_fp(bp, index, rx_page_ring) =
-			kcalloc(NUM_RX_SGE, sizeof(struct sw_rx_page),
-				GFP_KERNEL);
+			kvzalloc(sizeof(struct sw_rx_page) * NUM_RX_SGE,
+				 GFP_KERNEL);
 		if (!bnx2x_fp(bp, index, rx_page_ring))
 			goto alloc_mem_err;
 		bnx2x_fp(bp, index, rx_sge_ring) =
diff --git a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_cmn.h b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_cmn.h
index d805feaf419f..81bc014d909b 100644
--- a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_cmn.h
+++ b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_cmn.h
@@ -45,7 +45,7 @@ extern int bnx2x_num_queues;
 #define BNX2X_FREE(x) \
 	do { \
 		if (x) { \
-			kfree((void *)x); \
+			kvfree((void *)x); \
 			x = NULL; \
 		} \
 	} while (0)