kernel-ark/net/core/kmap_skb.h
Cong Wang 0352bc550c net: remove the second argument of k[un]map_atomic()
Acked-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Cong Wang <amwang@redhat.com>
2012-03-20 21:48:27 +08:00

20 lines
327 B
C

#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
}