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Date: Sun, 08 Sep 2002 01:25:26 -0700 (PDT)
Message-Id: <20020908.012526.48196975.davem@redhat.com>
To: wli@holomorphy.com
Cc: akpm@digeo.com, ciarrocchi@linuxmail.org, linux-kernel@vger.kernel.org
Subject: Re: LMbench2.0 results
From: "David S. Miller" <davem@redhat.com>
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   From: William Lee Irwin III <wli@holomorphy.com>
   Date: Sun, 8 Sep 2002 01:28:21 -0700
   
   But if this were truly the issue, the allocation and deallocation
   overhead for pagetables should show up as additional pressure
   against zone->lock.

The big gain is not only that allocation/free is cheap, also
page table entries tend to hit in cpu cache for even freshly
allocated page tables.

I think that is the bit that would show up in the mmap lmbench
test.

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