On 04.09.2011 10:12, Eric Dumazet wrote:
> Le samedi 03 septembre 2011 à 19:26 +0200, kaber@xxxxxxxxx a écrit :
>
>> +struct sk_buff *__alloc_skb_head(gfp_t gfp_mask, int node)
>> +{
>> + struct sk_buff *skb;
>> +
>> + /* Get the HEAD */
>> + skb = kmem_cache_alloc_node(skbuff_head_cache,
>> + gfp_mask & ~__GFP_DMA, node);
>> + if (!skb)
>> + goto out;
>> + prefetchw(skb);
>
> Please remove this prefetchw(), since we have no delay between it and
> actual memset(skb).
Done, thanks.
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