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authorHerbert Xu <herbert@gondor.apana.org.au>2007-04-17 12:28:27 -0700
committerDavid S. Miller <davem@sunset.davemloft.net>2007-04-17 13:13:16 -0700
commitb4dfa0b1fb39c7ffe74741d60668825de6a47b69 (patch)
tree1866a6b51f666b4969f6c0be55c25f31e4d42a51 /net
parent6f29e35e2d4cdbc3e8785982314e54ec5df4ad37 (diff)
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[NET]: Get rid of alloc_skb_from_cache
Since this was added originally for Xen, and Xen has recently (~2.6.18) stopped using this function, we can safely get rid of it. Good timing too since this function has started to bit rot. Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net')
-rw-r--r--net/core/skbuff.c55
1 files changed, 0 insertions, 55 deletions
diff --git a/net/core/skbuff.c b/net/core/skbuff.c
index 87573ae..336958f 100644
--- a/net/core/skbuff.c
+++ b/net/core/skbuff.c
@@ -197,61 +197,6 @@ nodata:
}
/**
- * alloc_skb_from_cache - allocate a network buffer
- * @cp: kmem_cache from which to allocate the data area
- * (object size must be big enough for @size bytes + skb overheads)
- * @size: size to allocate
- * @gfp_mask: allocation mask
- *
- * Allocate a new &sk_buff. The returned buffer has no headroom and
- * tail room of size bytes. The object has a reference count of one.
- * The return is the buffer. On a failure the return is %NULL.
- *
- * Buffers may only be allocated from interrupts using a @gfp_mask of
- * %GFP_ATOMIC.
- */
-struct sk_buff *alloc_skb_from_cache(struct kmem_cache *cp,
- unsigned int size,
- gfp_t gfp_mask)
-{
- struct sk_buff *skb;
- u8 *data;
-
- /* Get the HEAD */
- skb = kmem_cache_alloc(skbuff_head_cache,
- gfp_mask & ~__GFP_DMA);
- if (!skb)
- goto out;
-
- /* Get the DATA. */
- size = SKB_DATA_ALIGN(size);
- data = kmem_cache_alloc(cp, gfp_mask);
- if (!data)
- goto nodata;
-
- memset(skb, 0, offsetof(struct sk_buff, truesize));
- skb->truesize = size + sizeof(struct sk_buff);
- atomic_set(&skb->users, 1);
- skb->head = data;
- skb->data = data;
- skb->tail = data;
- skb->end = data + size;
-
- atomic_set(&(skb_shinfo(skb)->dataref), 1);
- skb_shinfo(skb)->nr_frags = 0;
- skb_shinfo(skb)->gso_size = 0;
- skb_shinfo(skb)->gso_segs = 0;
- skb_shinfo(skb)->gso_type = 0;
- skb_shinfo(skb)->frag_list = NULL;
-out:
- return skb;
-nodata:
- kmem_cache_free(skbuff_head_cache, skb);
- skb = NULL;
- goto out;
-}
-
-/**
* __netdev_alloc_skb - allocate an skbuff for rx on a specific device
* @dev: network device to receive on
* @length: length to allocate