6 files changed, 25 insertions, 1 deletions

diff --git a/net/appletalk/ddp.c b/net/appletalk/ddp.c
index 485e35c3b28b..3a7052207708 100644
--- a/net/appletalk/ddp.c
+++ b/net/appletalk/ddp.c
@@ -61,6 +61,7 @@
 #include <net/tcp_states.h>
 #include <net/route.h>
 #include <linux/atalk.h>
+#include "../core/kmap_skb.h"
 
 struct datalink_proto *ddp_dl, *aarp_dl;
 static const struct proto_ops atalk_dgram_ops;
diff --git a/net/core/kmap_skb.h b/net/core/kmap_skb.h
new file mode 100644
index 000000000000..283c2b993fb8
--- /dev/null
+++ b/net/core/kmap_skb.h
@@ -0,0 +1,19 @@
+#include <linux/highmem.h>
+
+static inline void *kmap_skb_frag(const skb_frag_t *frag)
+{
+#ifdef CONFIG_HIGHMEM
+        BUG_ON(in_irq());
+
+        local_bh_disable();
+#endif
+        return kmap_atomic(frag->page, KM_SKB_DATA_SOFTIRQ);
+}
+
+static inline void kunmap_skb_frag(void *vaddr)
+{
+        kunmap_atomic(vaddr, KM_SKB_DATA_SOFTIRQ);
+#ifdef CONFIG_HIGHMEM
+        local_bh_enable();
+#endif
+}
diff --git a/net/core/skbuff.c b/net/core/skbuff.c
index a90bc439488e..8e1c385e5ba9 100644
--- a/net/core/skbuff.c
+++ b/net/core/skbuff.c
@@ -56,7 +56,6 @@
 #include <linux/cache.h>
 #include <linux/rtnetlink.h>
 #include <linux/init.h>
-#include <linux/highmem.h>
 
 #include <net/protocol.h>
 #include <net/dst.h>
@@ -67,6 +66,8 @@
 #include <asm/uaccess.h>
 #include <asm/system.h>
 
+#include "kmap_skb.h"
+
 static kmem_cache_t *skbuff_head_cache __read_mostly;
 static kmem_cache_t *skbuff_fclone_cache __read_mostly;
 
diff --git a/net/core/sock.c b/net/core/sock.c
index ab8fafadb4ba..419c7d3289c7 100644
--- a/net/core/sock.c
+++ b/net/core/sock.c
@@ -111,6 +111,7 @@
 #include <linux/poll.h>
 #include <linux/tcp.h>
 #include <linux/init.h>
+#include <linux/highmem.h>
 
 #include <asm/uaccess.h>
 #include <asm/system.h>
diff --git a/net/ipv4/ip_output.c b/net/ipv4/ip_output.c
index 1da3d32f8289..a35209d517ad 100644
--- a/net/ipv4/ip_output.c
+++ b/net/ipv4/ip_output.c
@@ -53,6 +53,7 @@
 #include <linux/mm.h>
 #include <linux/string.h>
 #include <linux/errno.h>
+#include <linux/highmem.h>
 
 #include <linux/socket.h>
 #include <linux/sockios.h>
diff --git a/net/packet/af_packet.c b/net/packet/af_packet.c
index 271d2eed0699..08e68b67bbf6 100644
--- a/net/packet/af_packet.c
+++ b/net/packet/af_packet.c
@@ -71,6 +71,7 @@
 #include <asm/uaccess.h>
 #include <asm/ioctls.h>
 #include <asm/page.h>
+#include <asm/cacheflush.h>
 #include <asm/io.h>
 #include <linux/proc_fs.h>
 #include <linux/seq_file.h>