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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>
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static inline void *kmap_skb_frag(const skb_frag_t *frag)
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{
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#ifdef CONFIG_HIGHMEM
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BUG_ON(in_irq());
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local_bh_disable();
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#endif
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return kmap_atomic(skb_frag_page(frag), KM_SKB_DATA_SOFTIRQ);
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}
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static inline void kunmap_skb_frag(void *vaddr)
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{
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kunmap_atomic(vaddr, KM_SKB_DATA_SOFTIRQ);
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#ifdef CONFIG_HIGHMEM
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local_bh_enable();
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#endif
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}
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