blob: 283c2b993fb81ad724e880604132b75df767f8ec [file] [log] [blame]
Al Viroa1f8e7f2006-10-19 16:08:53 -04001#include <linux/highmem.h>
2
3static inline void *kmap_skb_frag(const skb_frag_t *frag)
4{
5#ifdef CONFIG_HIGHMEM
6 BUG_ON(in_irq());
7
8 local_bh_disable();
9#endif
10 return kmap_atomic(frag->page, KM_SKB_DATA_SOFTIRQ);
11}
12
13static inline void kunmap_skb_frag(void *vaddr)
14{
15 kunmap_atomic(vaddr, KM_SKB_DATA_SOFTIRQ);
16#ifdef CONFIG_HIGHMEM
17 local_bh_enable();
18#endif
19}