netdev - Re: [PATCH net-next] ipv6: add NUMA awareness to seg6_hmac_init

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Date:   Sat, 21 Jan 2017 13:18:55 +0100
From:   David Lebrun <david.lebrun@...ouvain.be>
To:     Eric Dumazet <eric.dumazet@...il.com>,
        David Miller <davem@...emloft.net>
CC:     netdev <netdev@...r.kernel.org>
Subject: Re: [PATCH net-next] ipv6: add NUMA awareness to seg6_hmac_init_algo()

On 01/20/2017 05:08 PM, Eric Dumazet wrote:
> From: Eric Dumazet <edumazet@...gle.com>
> 
> Since we allocate per cpu storage, let's also use NUMA hints.
> 
> Signed-off-by: Eric Dumazet <edumazet@...gle.com>
> ---
>  net/ipv6/seg6_hmac.c |    3 ++-
>  1 file changed, 2 insertions(+), 1 deletion(-)
> 
> diff --git a/net/ipv6/seg6_hmac.c b/net/ipv6/seg6_hmac.c
> index 5215e1eba01030dc9345b847eee5ac5ef3bed1b9..b274f1d95e037c93e8e0e6531cfc51709f71297c 100644
> --- a/net/ipv6/seg6_hmac.c
> +++ b/net/ipv6/seg6_hmac.c
> @@ -389,7 +389,8 @@ static int seg6_hmac_init_algo(void)
>  			return -ENOMEM;
>  
>  		for_each_possible_cpu(cpu) {
> -			shash = kzalloc(shsize, GFP_KERNEL);
> +			shash = kzalloc_node(shsize, GFP_KERNEL,
> +					     cpu_to_node(cpu));
>  			if (!shash)
>  				return -ENOMEM;
>  			*per_cpu_ptr(algo->shashs, cpu) = shash;
> 
> 

Thanks

Acked-by: David Lebrun <david.lebrun@...ouvain.be>


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