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* [PATCH] cnic: use kvzalloc to allocate memory for csk_tbl
@ 2018-07-09 13:51 Jan Dakinevich
  2018-07-12  5:56 ` David Miller
  0 siblings, 1 reply; 2+ messages in thread
From: Jan Dakinevich @ 2018-07-09 13:51 UTC (permalink / raw)
  To: David S. Miller, Jan Dakinevich, Christophe JAILLET,
	Dan Carpenter, Kees Cook, netdev, linux-kernel
  Cc: Denis Lunev, Konstantin Khorenko

Size of csk_tbl is about 58K, which means 3rd order page allocation.
kvzalloc provides a fallback if no high order memory is available.

Signed-off-by: Jan Dakinevich <jan.dakinevich@virtuozzo.com>
---
 drivers/net/ethernet/broadcom/cnic.c | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/drivers/net/ethernet/broadcom/cnic.c b/drivers/net/ethernet/broadcom/cnic.c
index 4fd829b..1bc5d4b 100644
--- a/drivers/net/ethernet/broadcom/cnic.c
+++ b/drivers/net/ethernet/broadcom/cnic.c
@@ -4090,7 +4090,7 @@ static void cnic_cm_free_mem(struct cnic_dev *dev)
 {
 	struct cnic_local *cp = dev->cnic_priv;
 
-	kfree(cp->csk_tbl);
+	kvfree(cp->csk_tbl);
 	cp->csk_tbl = NULL;
 	cnic_free_id_tbl(&cp->csk_port_tbl);
 }
@@ -4100,8 +4100,8 @@ static int cnic_cm_alloc_mem(struct cnic_dev *dev)
 	struct cnic_local *cp = dev->cnic_priv;
 	u32 port_id;
 
-	cp->csk_tbl = kcalloc(MAX_CM_SK_TBL_SZ, sizeof(struct cnic_sock),
-			      GFP_KERNEL);
+	cp->csk_tbl = kvcalloc(MAX_CM_SK_TBL_SZ, sizeof(struct cnic_sock),
+			       GFP_KERNEL);
 	if (!cp->csk_tbl)
 		return -ENOMEM;
 
-- 
2.1.4


^ permalink raw reply related	[flat|nested] 2+ messages in thread

* Re: [PATCH] cnic: use kvzalloc to allocate memory for csk_tbl
  2018-07-09 13:51 [PATCH] cnic: use kvzalloc to allocate memory for csk_tbl Jan Dakinevich
@ 2018-07-12  5:56 ` David Miller
  0 siblings, 0 replies; 2+ messages in thread
From: David Miller @ 2018-07-12  5:56 UTC (permalink / raw)
  To: jan.dakinevich
  Cc: christophe.jaillet, dan.carpenter, keescook, netdev,
	linux-kernel, den, khorenko

From: Jan Dakinevich <jan.dakinevich@virtuozzo.com>
Date: Mon,  9 Jul 2018 16:51:19 +0300

> Size of csk_tbl is about 58K, which means 3rd order page allocation.
> kvzalloc provides a fallback if no high order memory is available.
> 
> Signed-off-by: Jan Dakinevich <jan.dakinevich@virtuozzo.com>

Applied, thanks.

^ permalink raw reply	[flat|nested] 2+ messages in thread

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