Re: [PATCH][RFC] splice support

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On Thu, 30 Mar 2006 15:53:46 +0200
Jens Axboe <[email protected]> wrote:

> > I don't know about sendfile() but this looks client can hold server's
> > memory, when server uses sendfile() 64k/conn.
> 
> You mean when the server uses splice, 64kb (well 16 pages actually) /
> connection? That's a correct observation, I wouldn't think that pinning
> that small a number of pages is likely to cause any issues. At least I
> can think of much worse pinning by just doing IO :-)
> 
My point is consumer can sleep forever and pages are pinnded forever.
And people who use splice() will not notice they are pinning pages.

But as you say, it's not problem in usual situation.
Maybe I'm too pessimistic how my cusomers play with Linux ;)

-- Kame

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