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Date: Mon, 06 Jan 2003 15:29:18 -0800 (PST)
Message-Id: <20030106.152918.78008785.davem@redhat.com>
To: gianni@ecsc.co.uk
Cc: alan@lxorguk.ukuu.org.uk, lm@bitmover.com, tom@rhadamanthys.org,
       linux-kernel@vger.kernel.org
Subject: Re: [PATCH] TCP Zero Copy for mmapped files
From: "David S. Miller" <davem@redhat.com>
In-Reply-To: <1041863779.13078.3.camel@lemsip>
References: <20030103010107.GB6416@work.bitmover.com>
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   From: Gianni Tedesco <gianni@ecsc.co.uk>
   Date: 06 Jan 2003 14:36:19 +0000
   
   If your web data rarely changes, it could also be all the files stored
   in a hashfile database covered by one large mmap, eliminating filesystem
   overhead (and vma overhead).

You still would eat a VMA lookup each and every send.
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