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From: zhong jiang <zhongjiang@huawei.com>
To: <jejb@linux.vnet.ibm.com>, <martin.petersen@oracle.com>,
	<aacraid@microsemi.com>
Cc: <andy.shevchenko@gmail.com>, <joe@perches.com>,
	<linux-scsi@vger.kernel.org>, <linux-kernel@vger.kernel.org>
Subject: [PATCH v2 3/4] drivers/scsi/snic/snic_trc: Use kvcalloc instead of vmalloc+memset
Date: Thu, 2 Aug 2018 19:28:33 +0800	[thread overview]
Message-ID: <1533209314-1074-4-git-send-email-zhongjiang@huawei.com> (raw)
In-Reply-To: <1533209314-1074-1-git-send-email-zhongjiang@huawei.com>

The kvcalloc is better than vmalloc() + memset() , So replace them.

Signed-off-by: zhong jiang <zhongjiang@huawei.com>
---
 drivers/scsi/snic/snic_trc.c | 7 +++----
 1 file changed, 3 insertions(+), 4 deletions(-)

diff --git a/drivers/scsi/snic/snic_trc.c b/drivers/scsi/snic/snic_trc.c
index fc60c93..e766fa2 100644
--- a/drivers/scsi/snic/snic_trc.c
+++ b/drivers/scsi/snic/snic_trc.c
@@ -125,8 +125,8 @@ struct snic_trc_data *
 	void *tbuf = NULL;
 	int tbuf_sz = 0, ret;
 
-	tbuf_sz = (snic_trace_max_pages * PAGE_SIZE);
-	tbuf = vmalloc(tbuf_sz);
+	tbuf_sz = snic_trace_max_pages * PAGE_SIZE;
+	tbuf = kvcalloc(snic_trace_max_pages, PAGE_SIZE, GFP_KERNEL);
 	if (!tbuf) {
 		SNIC_ERR("Failed to Allocate Trace Buffer Size. %d\n", tbuf_sz);
 		SNIC_ERR("Trace Facility not enabled.\n");
@@ -135,7 +135,6 @@ struct snic_trc_data *
 		return ret;
 	}
 
-	memset(tbuf, 0, tbuf_sz);
 	trc->buf = (struct snic_trc_data *) tbuf;
 	spin_lock_init(&trc->lock);
 
@@ -173,7 +172,7 @@ struct snic_trc_data *
 	snic_trc_debugfs_term();
 
 	if (trc->buf) {
-		vfree(trc->buf);
+		kvfree(trc->buf);
 		trc->buf = NULL;
 	}
 
-- 
1.7.12.4


WARNING: multiple messages have this Message-ID (diff)
From: zhong jiang <zhongjiang@huawei.com>
To: jejb@linux.vnet.ibm.com, martin.petersen@oracle.com,
	aacraid@microsemi.com
Cc: andy.shevchenko@gmail.com, joe@perches.com,
	linux-scsi@vger.kernel.org, linux-kernel@vger.kernel.org
Subject: [PATCH v2 3/4] drivers/scsi/snic/snic_trc: Use kvcalloc instead of vmalloc+memset
Date: Thu, 2 Aug 2018 19:28:33 +0800	[thread overview]
Message-ID: <1533209314-1074-4-git-send-email-zhongjiang@huawei.com> (raw)
In-Reply-To: <1533209314-1074-1-git-send-email-zhongjiang@huawei.com>

The kvcalloc is better than vmalloc() + memset() , So replace them.

Signed-off-by: zhong jiang <zhongjiang@huawei.com>
---
 drivers/scsi/snic/snic_trc.c | 7 +++----
 1 file changed, 3 insertions(+), 4 deletions(-)

diff --git a/drivers/scsi/snic/snic_trc.c b/drivers/scsi/snic/snic_trc.c
index fc60c93..e766fa2 100644
--- a/drivers/scsi/snic/snic_trc.c
+++ b/drivers/scsi/snic/snic_trc.c
@@ -125,8 +125,8 @@ struct snic_trc_data *
 	void *tbuf = NULL;
 	int tbuf_sz = 0, ret;
 
-	tbuf_sz = (snic_trace_max_pages * PAGE_SIZE);
-	tbuf = vmalloc(tbuf_sz);
+	tbuf_sz = snic_trace_max_pages * PAGE_SIZE;
+	tbuf = kvcalloc(snic_trace_max_pages, PAGE_SIZE, GFP_KERNEL);
 	if (!tbuf) {
 		SNIC_ERR("Failed to Allocate Trace Buffer Size. %d\n", tbuf_sz);
 		SNIC_ERR("Trace Facility not enabled.\n");
@@ -135,7 +135,6 @@ struct snic_trc_data *
 		return ret;
 	}
 
-	memset(tbuf, 0, tbuf_sz);
 	trc->buf = (struct snic_trc_data *) tbuf;
 	spin_lock_init(&trc->lock);
 
@@ -173,7 +172,7 @@ struct snic_trc_data *
 	snic_trc_debugfs_term();
 
 	if (trc->buf) {
-		vfree(trc->buf);
+		kvfree(trc->buf);
 		trc->buf = NULL;
 	}
 
-- 
1.7.12.4

  parent reply	other threads:[~2018-08-02 11:40 UTC|newest]

Thread overview: 12+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2018-08-02 11:28 [PATCH v2 0/4] Use dma_zalloc_coherent and kvcalloc to replace open code zhong jiang
2018-08-02 11:28 ` zhong jiang
2018-08-02 11:28 ` [PATCH v2 1/4] driver/scsi/fnic/fnic_trace: Use kvcalloc instead of vmalloc+memset zhong jiang
2018-08-02 11:28   ` zhong jiang
2018-08-02 11:28 ` [PATCH v2 2/4] drivers/scsi/dpt_i2o: Use dma_zalloc_coherent to repalce dma_alloc_coherent+memset zhong jiang
2018-08-02 11:28   ` zhong jiang
2018-08-02 11:28 ` zhong jiang [this message]
2018-08-02 11:28   ` [PATCH v2 3/4] drivers/scsi/snic/snic_trc: Use kvcalloc instead of vmalloc+memset zhong jiang
2018-08-02 11:28 ` [PATCH v2 4/4] drivers/scsi/mvsas/mv_init: Use dma_zalloc_coherent to replace dma_alloc_coherent+memset zhong jiang
2018-08-02 11:28   ` zhong jiang
2018-08-23 11:25 ` [PATCH v2 0/4] Use dma_zalloc_coherent and kvcalloc to replace open code zhong jiang
2018-08-23 11:25   ` zhong jiang

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