Displaying 3 results from an estimated 3 matches for "dbg_seq".
2014 Jan 07
0
[PATCH net-next v2 4/4] virtio-net: initial debugfs support, export mergeable rx buffer size
...outstanding file descriptors
+ * are closed, even after the underlying file is unlinked.
+ */
+ struct kref refcount;
+
+ /* Sequence counter to allow debugfs readers to safely access stats.
+ * Assumes a single virtio-net writer, which is enforced by virtio-net
+ * and NAPI.
+ */
+ seqcount_t dbg_seq;
+};
+
struct virtnet_info {
struct virtio_device *vdev;
struct virtqueue *cvq;
@@ -147,6 +172,15 @@ struct virtnet_info {
/* Active statistics */
struct virtnet_stats __percpu *stats;
+ /* Per-receive queue statstics exported via debugfs. Stored in
+ * virtnet_info to survive freeze/re...
2014 Jan 07
10
[PATCH net-next v2 1/4] net: allow > 0 order atomic page alloc in skb_page_frag_refill
skb_page_frag_refill currently permits only order-0 page allocs
unless GFP_WAIT is used. Change skb_page_frag_refill to attempt
higher-order page allocations whether or not GFP_WAIT is used. If
memory cannot be allocated, the allocator will fall back to
successively smaller page allocs (down to order-0 page allocs).
This change brings skb_page_frag_refill in line with the existing
page allocation
2014 Jan 07
10
[PATCH net-next v2 1/4] net: allow > 0 order atomic page alloc in skb_page_frag_refill
skb_page_frag_refill currently permits only order-0 page allocs
unless GFP_WAIT is used. Change skb_page_frag_refill to attempt
higher-order page allocations whether or not GFP_WAIT is used. If
memory cannot be allocated, the allocator will fall back to
successively smaller page allocs (down to order-0 page allocs).
This change brings skb_page_frag_refill in line with the existing
page allocation