From: Andrew Morton <akpm@zip.com.au>
Date: Tue, 20 Nov 2001 14:23:38 -0800
Could you please explain further? What's more expensive
than the copy?
TLB misses add to the cost, and this overhead is more than
"noise".
The Apache guys were playing with using mmap() for page contents
and it was always slower than read() into a static buffer.
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This archive was generated by hypermail 2b29 : Fri Nov 23 2001 - 21:00:25 EST