Re: [dpdk-dev] [PATCH v2 1/2] vhost: utilize dpdk dynamic memory allocator

[Ye Xiaolong <xiaolong.ye@intel.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>