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Diffstat (limited to 'net/core/skbuff.c')
-rw-r--r--net/core/skbuff.c10
1 files changed, 7 insertions, 3 deletions
diff --git a/net/core/skbuff.c b/net/core/skbuff.c
index a441613a1e6c..f5a6d50570c4 100644
--- a/net/core/skbuff.c
+++ b/net/core/skbuff.c
@@ -69,6 +69,7 @@
#include <net/dst.h>
#include <net/sock.h>
#include <net/checksum.h>
+#include <net/gro.h>
#include <net/gso.h>
#include <net/hotdata.h>
#include <net/ip6_checksum.h>
@@ -95,7 +96,9 @@
static struct kmem_cache *skbuff_ext_cache __ro_after_init;
#endif
-#define SKB_SMALL_HEAD_SIZE SKB_HEAD_ALIGN(MAX_TCP_HEADER)
+#define GRO_MAX_HEAD_PAD (GRO_MAX_HEAD + NET_SKB_PAD + NET_IP_ALIGN)
+#define SKB_SMALL_HEAD_SIZE SKB_HEAD_ALIGN(max(MAX_TCP_HEADER, \
+ GRO_MAX_HEAD_PAD))
/* We want SKB_SMALL_HEAD_CACHE_SIZE to not be a power of two.
* This should ensure that SKB_SMALL_HEAD_HEADROOM is a unique
@@ -736,7 +739,7 @@ struct sk_buff *__netdev_alloc_skb(struct net_device *dev, unsigned int len,
/* If requested length is either too small or too big,
* we use kmalloc() for skb->head allocation.
*/
- if (len <= SKB_WITH_OVERHEAD(1024) ||
+ if (len <= SKB_WITH_OVERHEAD(SKB_SMALL_HEAD_CACHE_SIZE) ||
len > SKB_WITH_OVERHEAD(PAGE_SIZE) ||
(gfp_mask & (__GFP_DIRECT_RECLAIM | GFP_DMA))) {
skb = __alloc_skb(len, gfp_mask, SKB_ALLOC_RX, NUMA_NO_NODE);
@@ -816,7 +819,8 @@ struct sk_buff *napi_alloc_skb(struct napi_struct *napi, unsigned int len)
* When the small frag allocator is available, prefer it over kmalloc
* for small fragments
*/
- if ((!NAPI_HAS_SMALL_PAGE_FRAG && len <= SKB_WITH_OVERHEAD(1024)) ||
+ if ((!NAPI_HAS_SMALL_PAGE_FRAG &&
+ len <= SKB_WITH_OVERHEAD(SKB_SMALL_HEAD_CACHE_SIZE)) ||
len > SKB_WITH_OVERHEAD(PAGE_SIZE) ||
(gfp_mask & (__GFP_DIRECT_RECLAIM | GFP_DMA))) {
skb = __alloc_skb(len, gfp_mask, SKB_ALLOC_RX | SKB_ALLOC_NAPI,