Re: share memory between kernel and user space

From: Alan Cox (alan@lxorguk.ukuu.org.uk)
Date: Tue May 29 2001 - 15:06:57 EST

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> Is there any way to share a piece of memory which is allocated in kernel
> space with a user space program? (don't use copy_to_user etc.)

mmap.

Take a look at drivers/sound where a lot of drivers do this
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