[v2,1/2] vhost: utilize dpdk dynamic memory allocator

  Replace dynamic memory allocator with dpdk memory allocator.

Signed-off-by: Marvin Liu <yong.liu@intel.com>
  

Reviewed-by: Gavin Hu <gavin.hu@arm.com>
  

On 04/01, Marvin Liu wrote:
>Replace dynamic memory allocator with dpdk memory allocator.
>
>Signed-off-by: Marvin Liu <yong.liu@intel.com>
>
>diff --git a/lib/librte_vhost/vhost_user.c b/lib/librte_vhost/vhost_user.c
>index bd1be0104..79fcb9d19 100644
>--- a/lib/librte_vhost/vhost_user.c
>+++ b/lib/librte_vhost/vhost_user.c
>@@ -191,7 +191,7 @@ vhost_backend_cleanup(struct virtio_net *dev)
> 		dev->mem = NULL;
> 	}
> 
>-	free(dev->guest_pages);
>+	rte_free(dev->guest_pages);
> 	dev->guest_pages = NULL;
> 
> 	if (dev->log_addr) {
>@@ -903,11 +903,12 @@ add_one_guest_page(struct virtio_net *dev, uint64_t guest_phys_addr,
> 	if (dev->nr_guest_pages == dev->max_guest_pages) {
> 		dev->max_guest_pages *= 2;
> 		old_pages = dev->guest_pages;
>-		dev->guest_pages = realloc(dev->guest_pages,
>-					dev->max_guest_pages * sizeof(*page));
>-		if (!dev->guest_pages) {
>+		dev->guest_pages = rte_realloc(dev->guest_pages,
>+					dev->max_guest_pages * sizeof(*page),
>+					RTE_CACHE_LINE_SIZE);
>+		if (dev->guest_pages == NULL) {
> 			VHOST_LOG_CONFIG(ERR, "cannot realloc guest_pages\n");
>-			free(old_pages);
>+			rte_free(old_pages);
> 			return -1;
> 		}
> 	}
>@@ -1062,10 +1063,12 @@ vhost_user_set_mem_table(struct virtio_net **pdev, struct VhostUserMsg *msg,
> 			vhost_user_iotlb_flush_all(dev->virtqueue[i]);
> 
> 	dev->nr_guest_pages = 0;
>-	if (!dev->guest_pages) {
>+	if (dev->guest_pages == NULL) {
> 		dev->max_guest_pages = 8;
>-		dev->guest_pages = malloc(dev->max_guest_pages *
>-						sizeof(struct guest_page));
>+		dev->guest_pages = rte_zmalloc(NULL,
>+					dev->max_guest_pages *
>+					sizeof(struct guest_page),
>+					RTE_CACHE_LINE_SIZE);
> 		if (dev->guest_pages == NULL) {
> 			VHOST_LOG_CONFIG(ERR,
> 				"(%d) failed to allocate memory "
>-- 
>2.17.1
>

Reviewed-by: Xiaolong Ye <xiaolong.ye@intel.com>
  

Tested-by: ma,lihong<lihongx.ma@intel.com>

Regards,
Ma,lihong


-----Original Message-----
From: dev [mailto:dev-bounces@dpdk.org] On Behalf Of Marvin Liu
Sent: Wednesday, April 1, 2020 10:50 PM
To: maxime.coquelin@redhat.com; Ye, Xiaolong <xiaolong.ye@intel.com>; Wang, Zhihong <zhihong.wang@intel.com>
Cc: dev@dpdk.org; Liu, Yong <yong.liu@intel.com>
Subject: [dpdk-dev] [PATCH v2 1/2] vhost: utilize dpdk dynamic memory allocator

Replace dynamic memory allocator with dpdk memory allocator.

Signed-off-by: Marvin Liu <yong.liu@intel.com>

diff --git a/lib/librte_vhost/vhost_user.c b/lib/librte_vhost/vhost_user.c index bd1be0104..79fcb9d19 100644
--- a/lib/librte_vhost/vhost_user.c
+++ b/lib/librte_vhost/vhost_user.c
@@ -191,7 +191,7 @@ vhost_backend_cleanup(struct virtio_net *dev)
 		dev->mem = NULL;
 	}
 
-	free(dev->guest_pages);
+	rte_free(dev->guest_pages);
 	dev->guest_pages = NULL;
 
 	if (dev->log_addr) {
@@ -903,11 +903,12 @@ add_one_guest_page(struct virtio_net *dev, uint64_t guest_phys_addr,
 	if (dev->nr_guest_pages == dev->max_guest_pages) {
 		dev->max_guest_pages *= 2;
 		old_pages = dev->guest_pages;
-		dev->guest_pages = realloc(dev->guest_pages,
-					dev->max_guest_pages * sizeof(*page));
-		if (!dev->guest_pages) {
+		dev->guest_pages = rte_realloc(dev->guest_pages,
+					dev->max_guest_pages * sizeof(*page),
+					RTE_CACHE_LINE_SIZE);
+		if (dev->guest_pages == NULL) {
 			VHOST_LOG_CONFIG(ERR, "cannot realloc guest_pages\n");
-			free(old_pages);
+			rte_free(old_pages);
 			return -1;
 		}
 	}
@@ -1062,10 +1063,12 @@ vhost_user_set_mem_table(struct virtio_net **pdev, struct VhostUserMsg *msg,
 			vhost_user_iotlb_flush_all(dev->virtqueue[i]);
 
 	dev->nr_guest_pages = 0;
-	if (!dev->guest_pages) {
+	if (dev->guest_pages == NULL) {
 		dev->max_guest_pages = 8;
-		dev->guest_pages = malloc(dev->max_guest_pages *
-						sizeof(struct guest_page));
+		dev->guest_pages = rte_zmalloc(NULL,
+					dev->max_guest_pages *
+					sizeof(struct guest_page),
+					RTE_CACHE_LINE_SIZE);
 		if (dev->guest_pages == NULL) {
 			VHOST_LOG_CONFIG(ERR,
 				"(%d) failed to allocate memory "
--
2.17.1
  

On 4/1/20 4:50 PM, Marvin Liu wrote:
> Replace dynamic memory allocator with dpdk memory allocator.
> 
> Signed-off-by: Marvin Liu <yong.liu@intel.com>
> 

Reviewed-by: Maxime Coquelin <maxime.coquelin@redhat.com>

Thanks,
Maxime