Daniel Borkmann says:

[linux-block.git] / include / linux / skbuff.h

diff --git a/include/linux/skbuff.h b/include/linux/skbuff.h
index 6aeb0e7b951116d8066b146114a52fcda0d331db..494a23a976b07c24c00f21d4fe6e51df09aba02a 100644 (file)
--- a/include/linux/skbuff.h
+++ b/include/linux/skbuff.h
@@ -345,18 +345,12 @@ struct sk_buff_head {
 
 struct sk_buff;
 
-/* To allow 64K frame to be packed as single skb without frag_list we
- * require 64K/PAGE_SIZE pages plus 1 additional page to allow for
- * buffers which do not start on a page boundary.
- *
- * Since GRO uses frags we allocate at least 16 regardless of page
- * size.
- */
-#if (65536/PAGE_SIZE + 1) < 16
-#define MAX_SKB_FRAGS 16UL
-#else
-#define MAX_SKB_FRAGS (65536/PAGE_SIZE + 1)
+#ifndef CONFIG_MAX_SKB_FRAGS
+# define CONFIG_MAX_SKB_FRAGS 17
 #endif
+
+#define MAX_SKB_FRAGS CONFIG_MAX_SKB_FRAGS
+
 extern int sysctl_max_skb_frags;
 
 /* Set skb_shinfo(skb)->gso_size to this in case you want skb_segment to