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Date: Mon, 31 Dec 2007 20:11:45 +1100 From: Herbert Xu <herbert@...dor.apana.org.au> To: Eric Dumazet <dada1@...mosbay.com> Cc: David Miller <davem@...emloft.net>, haoki@...hat.com, netdev@...r.kernel.org, tyasui@...hat.com, mhiramat@...hat.com, satoshi.oshima.fk@...achi.com, billfink@...dspring.com, andi@...stfloor.org, johnpol@....mipt.ru, shemminger@...ux-foundation.org, yoshfuji@...ux-ipv6.org, yumiko.sugita.yf@...achi.com Subject: Re: [PATCH 1/3] [UDP]: add udp_mem, udp_rmem_min and udp_wmem_min On Mon, Dec 31, 2007 at 09:54:32AM +0100, Eric Dumazet wrote: > > Maybe I read the patch incorrectly, or we could add some new sysctl so that > we not try to uncharge memory if a socket 'forward_alloc' is beyond a given > limit (say 2 pages), so that number of atomic_inc/dec on > udp_memory_allocated (or tcp_memory_allocated) is reduced. I don't have time to go through these patches right now but that was the whole point of using forward_alloc, i.e., avoid touching the global for every packet. So if it's still doing that then we're doing something wrong. Cheers, -- Visit Openswan at http://www.openswan.org/ Email: Herbert Xu ~{PmV>HI~} <herbert@...dor.apana.org.au> Home Page: http://gondor.apana.org.au/~herbert/ PGP Key: http://gondor.apana.org.au/~herbert/pubkey.txt -- To unsubscribe from this list: send the line "unsubscribe netdev" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
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