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Date: Tue, 18 Nov 2014 12:29:15 -0800 From: Cong Wang <cwang@...pensource.com> To: Pankaj Gupta <pagupta@...hat.com> Cc: "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>, netdev <netdev@...r.kernel.org>, David Miller <davem@...emloft.net>, Jason Wang <jasowang@...hat.com>, "Michael S. Tsirkin" <mst@...hat.com>, dgibson@...hat.com, vfalico@...il.com, Eric Dumazet <edumazet@...gle.com>, Vladislav Yasevich <vyasevic@...hat.com>, Jerry Chu <hkchu@...gle.com>, wuzhy@...ux.vnet.ibm.com.pnq.redhat.com, Pavel Emelyanov <xemul@...allels.com>, Tom Herbert <therbert@...gle.com>, bhutchings@...arflare.com, xii@...gle.com, Stephen Hemminger <stephen@...workplumber.org>, Jiří Pírko <jiri@...nulli.us>, sergei.shtylyov@...entembedded.com Subject: Re: [PATCH net-next 1/4] net: allow large number of rx queues On Tue, Nov 18, 2014 at 8:22 AM, Pankaj Gupta <pagupta@...hat.com> wrote: > > As vmalloc() adds overhead on a critical network path, > __GFP_REPEAT flag is used with kzalloc() to do this fallback > only when really needed. > Are you sure we need __GFP_REPEAT? We have vmalloc() as fallback of kmalloc() in many places of networking (grep kvfree), none of those I checked has this flag set. -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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