[bittorrent] Introductory/endgame algorithms
justin at street-vision.com
Fri Sep 30 06:17:46 EDT 2005
On 30 Sep 2005, at 08:27, Olaf van der Spek wrote:
>> Wrong. If your buffer is page-aligned and you're doing I/O to
>> page-aligned portions of a file, Linux will do a copy but by
>> the page table.
> Doesn't that also require not using the buffer for anything else
> Because if you write to it, Linux will have to do the copy after all.
Linux doesnt do this. I think FreeBSD does, but the page table
mangling was considered
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