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| author | Al Viro <viro@zeniv.linux.org.uk> | 2006-10-19 16:08:53 -0400 |
|---|---|---|
| committer | Al Viro <viro@zeniv.linux.org.uk> | 2006-12-04 02:00:29 -0500 |
| commit | a1f8e7f7fb9d7e2cbcb53170edca7c0ac4680697 (patch) | |
| tree | 2d1190c0099291d56a9c986f16bec17df2f6768b /net/core/kmap_skb.h | |
| parent | b07e4ecd4d380ad697c54d729cb653d027077c99 (diff) | |
| download | linux-a1f8e7f7fb9d7e2cbcb53170edca7c0ac4680697.tar.gz linux-a1f8e7f7fb9d7e2cbcb53170edca7c0ac4680697.tar.bz2 linux-a1f8e7f7fb9d7e2cbcb53170edca7c0ac4680697.zip | |
[PATCH] severing skbuff.h -> highmem.h
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Diffstat (limited to 'net/core/kmap_skb.h')
| -rw-r--r-- | net/core/kmap_skb.h | 19 |
1 files changed, 19 insertions, 0 deletions
diff --git a/net/core/kmap_skb.h b/net/core/kmap_skb.h new file mode 100644 index 000000000000..283c2b993fb8 --- /dev/null +++ b/net/core/kmap_skb.h @@ -0,0 +1,19 @@ +#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 +} |