diff options
| author | Linus Torvalds <torvalds@woody.osdl.org> | 2006-12-04 10:37:06 -0800 |
|---|---|---|
| committer | Linus Torvalds <torvalds@woody.osdl.org> | 2006-12-04 10:37:06 -0800 |
| commit | 9b8ab9f6c37c610feea20edfb357a3b8a43d39bd (patch) | |
| tree | 02d18c920a03a600e915d66d6a471d900857b3ac /net/core/kmap_skb.h | |
| parent | 12472b4165a21f5415ff4f60f8f46311a6b7b9ac (diff) | |
| parent | f23f6e08c47acbdd20e9c49a79da8c404ea168e1 (diff) | |
Merge branch 'for-linus4' of master.kernel.org:/pub/scm/linux/kernel/git/viro/bird
* 'for-linus4' of master.kernel.org:/pub/scm/linux/kernel/git/viro/bird:
[PATCH] severing poll.h -> mm.h
[PATCH] severing skbuff.h -> mm.h
[PATCH] severing skbuff.h -> poll.h
[PATCH] severing skbuff.h -> highmem.h
[PATCH] severing uaccess.h -> sched.h
[PATCH] severing fs.h, radix-tree.h -> sched.h
[PATCH] severing module.h->sched.h
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 00000000000..283c2b993fb --- /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 +} |