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From: Artemiev Igor <ai@kliksys.ru>
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Subject: Re: 8.1-STABLE: zfs and sendfile: problem still exists
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On Sat, Oct 30, 2010 at 05:43:54PM +0300, Andriy Gapon wrote:

> I apologize for my haste, it should have been VM_ALLOC_WIRED.

Ok, applied and tested under some load(~1200 active connections, outgoing
~80MB/s). Patch work as expected and i has noted no side effects.  Just one
question - should grow Active memory counter, if some pages is "hot"(during
multiple sendfile on one file)?