mirror of
https://mirrors.bfsu.edu.cn/git/linux.git
synced 2024-11-26 05:34:13 +08:00
ea2ab69379
Signed-off-by: Ian Campbell <ian.campbell@citrix.com> Cc: "David S. Miller" <davem@davemloft.net> Cc: Eric Dumazet <eric.dumazet@gmail.com> Cc: "Michał Mirosław" <mirq-linux@rere.qmqm.pl> Cc: netdev@vger.kernel.org Signed-off-by: David S. Miller <davem@davemloft.net>
20 lines
369 B
C
20 lines
369 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), 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
|
|
}
|