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From: John Baldwin <jhb@freebsd.org>
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Date: Mon, 9 Mar 2009 08:21:25 -0400
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Cc: Alexej Sokolov <bsd.quest@googlemail.com>
Subject: Re: wrong data in remapped buffer
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On Friday 06 March 2009 11:13:38 am Alexej Sokolov wrote:
> Hello,
> I try to MALLOC a buffer in kern, then remap it with vm_map_find(), to space
> of user process.
> Some times the remapped buffer in user space contain incorrect data.

What architecture are you using?  On some archs like amd64, small mallocs (<= 
PAGE_SIZE) don't use the kmem_map or kmem_object.

-- 
John Baldwin