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path: root/drivers/hv/channel.c
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Diffstat (limited to 'drivers/hv/channel.c')
-rw-r--r--drivers/hv/channel.c27
1 files changed, 18 insertions, 9 deletions
diff --git a/drivers/hv/channel.c b/drivers/hv/channel.c
index 54da66dc7..603ce97e9 100644
--- a/drivers/hv/channel.c
+++ b/drivers/hv/channel.c
@@ -73,6 +73,7 @@ int vmbus_open(struct vmbus_channel *newchannel, u32 send_ringbuffer_size,
unsigned long flags;
int ret, err = 0;
unsigned long t;
+ struct page *page;
spin_lock_irqsave(&newchannel->lock, flags);
if (newchannel->state == CHANNEL_OPEN_STATE) {
@@ -87,8 +88,17 @@ int vmbus_open(struct vmbus_channel *newchannel, u32 send_ringbuffer_size,
newchannel->channel_callback_context = context;
/* Allocate the ring buffer */
- out = (void *)__get_free_pages(GFP_KERNEL|__GFP_ZERO,
- get_order(send_ringbuffer_size + recv_ringbuffer_size));
+ page = alloc_pages_node(cpu_to_node(newchannel->target_cpu),
+ GFP_KERNEL|__GFP_ZERO,
+ get_order(send_ringbuffer_size +
+ recv_ringbuffer_size));
+
+ if (!page)
+ out = (void *)__get_free_pages(GFP_KERNEL|__GFP_ZERO,
+ get_order(send_ringbuffer_size +
+ recv_ringbuffer_size));
+ else
+ out = (void *)page_address(page);
if (!out) {
err = -ENOMEM;
@@ -178,19 +188,18 @@ int vmbus_open(struct vmbus_channel *newchannel, u32 send_ringbuffer_size,
goto error1;
}
-
- if (open_info->response.open_result.status)
- err = open_info->response.open_result.status;
-
spin_lock_irqsave(&vmbus_connection.channelmsg_lock, flags);
list_del(&open_info->msglistentry);
spin_unlock_irqrestore(&vmbus_connection.channelmsg_lock, flags);
- if (err == 0)
- newchannel->state = CHANNEL_OPENED_STATE;
+ if (open_info->response.open_result.status) {
+ err = -EAGAIN;
+ goto error_gpadl;
+ }
+ newchannel->state = CHANNEL_OPENED_STATE;
kfree(open_info);
- return err;
+ return 0;
error1:
spin_lock_irqsave(&vmbus_connection.channelmsg_lock, flags);