On 06/04/2018 06:11 AM, Michal Hocko wrote:
> On Thu 31-05-18 11:10:22, Michal Hocko wrote:
> Just in case you are interested
> ---
> From 5010543ed6f73e4c00367801486dca8d5c63b2ce Mon Sep 17 00:00:00 2001
> From: Michal Hocko <mhocko@xxxxxxxx>
> Date: Mon, 4 Jun 2018 15:07:37 +0200
> Subject: [PATCH] net: cleanup gfp mask in alloc_skb_with_frags
>
> alloc_skb_with_frags uses __GFP_NORETRY for non-sleeping allocations
> which is just a noop and a little bit confusing.
>
> __GFP_NORETRY was added by ed98df3361f0 ("net: use __GFP_NORETRY for
> high order allocations") to prevent from the OOM killer. Yet this was
> not enough because fb05e7a89f50 ("net: don't wait for order-3 page
> allocation") didn't want an excessive reclaim for non-costly orders
> so it made it completely NOWAIT while it preserved __GFP_NORETRY in
> place which is now redundant.
>
> Drop the pointless __GFP_NORETRY because this function is used as
> copy&paste source for other places.
>
> Signed-off-by: Michal Hocko <mhocko@xxxxxxxx>
> ---
Reviewed-by: Eric Dumazet <edumazet@xxxxxxxxxx>
Thanks !
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