wrong data in remapped buffer

John Baldwin jhb at freebsd.org
Mon Mar 9 10:22:46 PDT 2009


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


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