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[PATCH] node-aware skb allocation

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Node-aware allocation of skbs for the receive path.

Details:

  - __alloc_skb gets a new node argument and cals the node-aware
    slab functions with it.
  - netdev_alloc_skb passed the node number it gets from dev_to_node
    to it, everyone else passes -1 (any node)

Signed-off-by: Christoph Hellwig <hch@lst.de>
Cc: Christoph Lameter <clameter@engr.sgi.com>
Cc: "David S. Miller" <davem@davemloft.net>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
This commit is contained in:
Christoph Hellwig
2006-12-06 20:32:36 -08:00
committed by Linus Torvalds
parent 873481367e
commit b30973f877
2 changed files with 10 additions and 8 deletions
Download Patch File Download Diff File Expand all files Collapse all files
include/linux/skbuff.h
+3 -3
View File
@@ -332,17 +332,17 @@ struct sk_buff {
extern void kfree_skb(struct sk_buff *skb);
extern void __kfree_skb(struct sk_buff *skb);
extern struct sk_buff *__alloc_skb(unsigned int size,
gfp_t priority, int fclone);
gfp_t priority, int fclone, int node);
static inline struct sk_buff *alloc_skb(unsigned int size,
gfp_t priority)
{
return __alloc_skb(size, priority, 0);
return __alloc_skb(size, priority, 0, -1);
}
static inline struct sk_buff *alloc_skb_fclone(unsigned int size,
gfp_t priority)
{
return __alloc_skb(size, priority, 1);
return __alloc_skb(size, priority, 1, -1);
}
extern struct sk_buff *alloc_skb_from_cache(kmem_cache_t *cp,