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author | Dmitry Torokhov <dtor@insightbb.com> | 2006-12-08 01:07:56 -0500 |
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committer | Dmitry Torokhov <dtor@insightbb.com> | 2006-12-08 01:07:56 -0500 |
commit | bef986502fa398b1785a3979b1aa17cd902d3527 (patch) | |
tree | b59c1afe7b1dfcc001b86e54863f550d7ddc8c34 /net/core/kmap_skb.h | |
parent | 4bdbd2807deeccc0793d57fb5120d7a53f2c0b3c (diff) | |
parent | c99767974ebd2a719d849fdeaaa1674456f5283f (diff) |
Merge rsync://rsync.kernel.org/pub/scm/linux/kernel/git/torvalds/linux-2.6
Conflicts:
drivers/usb/input/hid.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 +} |