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author | Srikant Patnaik | 2015-01-11 12:28:04 +0530 |
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committer | Srikant Patnaik | 2015-01-11 12:28:04 +0530 |
commit | 871480933a1c28f8a9fed4c4d34d06c439a7a422 (patch) | |
tree | 8718f573808810c2a1e8cb8fb6ac469093ca2784 /net/core/kmap_skb.h | |
parent | 9d40ac5867b9aefe0722bc1f110b965ff294d30d (diff) | |
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Moved, renamed, and deleted files
The original directory structure was scattered and unorganized.
Changes are basically to make it look like kernel structure.
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 00000000..52d0a445 --- /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(skb_frag_page(frag)); +} + +static inline void kunmap_skb_frag(void *vaddr) +{ + kunmap_atomic(vaddr); +#ifdef CONFIG_HIGHMEM + local_bh_enable(); +#endif +} |