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authorSrikant Patnaik2015-01-11 12:28:04 +0530
committerSrikant Patnaik2015-01-11 12:28:04 +0530
commit871480933a1c28f8a9fed4c4d34d06c439a7a422 (patch)
tree8718f573808810c2a1e8cb8fb6ac469093ca2784 /net/core/kmap_skb.h
parent9d40ac5867b9aefe0722bc1f110b965ff294d30d (diff)
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Moved, renamed, and deleted files
The original directory structure was scattered and unorganized. Changes are basically to make it look like kernel structure.
Diffstat (limited to 'net/core/kmap_skb.h')
-rw-r--r--net/core/kmap_skb.h19
1 files changed, 19 insertions, 0 deletions
diff --git a/net/core/kmap_skb.h b/net/core/kmap_skb.h
new file mode 100644
index 00000000..52d0a445
--- /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(skb_frag_page(frag));
+}
+
+static inline void kunmap_skb_frag(void *vaddr)
+{
+ kunmap_atomic(vaddr);
+#ifdef CONFIG_HIGHMEM
+ local_bh_enable();
+#endif
+}