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yaml --- r: 279052 b: refs/heads/master c: 9d4dde5 h: refs/heads/master v: v3
git-mirror · Dec 23, 2011 · 4ccb24f · 4ccb24f
1 parent 2e06ab2
commit 4ccb24f
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Showing 2 changed files with 9 additions and 5 deletions.
diff --git a/[refs] b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: f87ce5b254d4eb5b5ec2bfcc78d714fa0e249288
+refs/heads/master: 9d4dde5215779f4099730194ad30624fdba3d8b2
diff --git a/trunk/include/linux/skbuff.h b/trunk/include/linux/skbuff.h
@@ -128,13 +128,17 @@ struct sk_buff_head {
 
 struct sk_buff;
 
-/* To allow 64K frame to be packed as single skb without frag_list. Since
- * GRO uses frags we allocate at least 16 regardless of page size.
+/* 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 + 2) < 16
+#if (65536/PAGE_SIZE + 1) < 16
 #define MAX_SKB_FRAGS 16UL
 #else
-#define MAX_SKB_FRAGS (65536/PAGE_SIZE + 2)
+#define MAX_SKB_FRAGS (65536/PAGE_SIZE + 1)
 #endif
 
 typedef struct skb_frag_struct skb_frag_t;