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Date: Wed, 19 Aug 2020 01:48:15 +0000 From: linmiaohe <linmiaohe@...wei.com> To: Eric Dumazet <edumazet@...gle.com> CC: David Miller <davem@...emloft.net>, Jakub Kicinski <kuba@...nel.org>, "martin.varghese@...ia.com" <martin.varghese@...ia.com>, Florian Westphal <fw@...len.de>, Pravin B Shelar <pshelar@....org>, Davide Caratti <dcaratti@...hat.com>, Steffen Klassert <steffen.klassert@...unet.com>, "Paolo Abeni" <pabeni@...hat.com>, "shmulik@...anetworks.com" <shmulik@...anetworks.com>, "kyk.segfault@...il.com" <kyk.segfault@...il.com>, netdev <netdev@...r.kernel.org>, LKML <linux-kernel@...r.kernel.org> Subject: Re: [PATCH] net: Relax the npages test against MAX_SKB_FRAGS Eric Dumazet <edumazet@...gle.com> wrote: >On Tue, Aug 18, 2020 at 4:58 AM Miaohe Lin <linmiaohe@...wei.com> wrote: >> >> The npages test against MAX_SKB_FRAGS can be relaxed if we succeed to >> allocate high order pages as the note in comment said. >> > > >We do not want this change. > >This interface is used by datagram providers, we do not want to claim they can safely use skb allocations over 64KB. > >Returning -EMSGSIZE should not depend on availability of high-order pages. > >The comment was a hint, but we need first a valid user before considering expanding the interface. I see. Many thanks for reply and explaination. :)
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