[net-next-2.6.git] / net / core / kmap_skb.h

#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
}
Commit	Line	Data
a1f8e7f7 AV	1	#include <linux/highmem.h>
	2
	3	static 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
	13	static 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	}