Re: [PATCH 10/17] netvm: Allow skb allocation to use PFMEMALLOCreserves
From: David Miller
Date: Fri May 11 2012 - 00:57:52 EST
From: Mel Gorman <mgorman@xxxxxxx>
Date: Thu, 10 May 2012 14:45:03 +0100
> +/* Returns true if the gfp_mask allows use of ALLOC_NO_WATERMARK */
> +bool gfp_pfmemalloc_allowed(gfp_t gfp_mask);
I know this gets added in an earlier patch, but it seems slightly
overkill to have a function call just for a simply bit test.
> +extern atomic_t memalloc_socks;
> +static inline int sk_memalloc_socks(void)
> +{
> + return atomic_read(&memalloc_socks);
> +}
Please change this to be a static branch.
> + skb = __alloc_skb(length + NET_SKB_PAD, gfp_mask,
> + SKB_ALLOC_RX, NUMA_NO_NODE);
Please fix the argument indentation.
> + data = kmalloc_reserve(size + SKB_DATA_ALIGN(sizeof(struct skb_shared_info)),
> + gfp_mask, NUMA_NO_NODE, NULL);
Likewise.
> - struct sk_buff *n = alloc_skb(newheadroom + skb->len + newtailroom,
> - gfp_mask);
> + struct sk_buff *n = __alloc_skb(newheadroom + skb->len + newtailroom,
> + gfp_mask, skb_alloc_rx_flag(skb),
> + NUMA_NO_NODE);
Likewise.
> - nskb = alloc_skb(hsize + doffset + headroom,
> - GFP_ATOMIC);
> + nskb = __alloc_skb(hsize + doffset + headroom,
> + GFP_ATOMIC, skb_alloc_rx_flag(skb),
> + NUMA_NO_NODE);
Likewise.
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/