Messages in this thread | | | Date | Fri, 26 Feb 1999 18:06:54 -0500 (EST) | From | Olaf Meyer <> | Subject | Re: locking pages in memory, mapping memory |
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Alan Cox writes: > > 1. I would like to map a buffer from user address space to kernel address > > space, so that a user application can write data to this buffer > > and the kernel than can read this data WITHOUT having to copy > > it from user to kernel space (and vice versa) > > You want to map a buffer in kernel address space into user address space, > same effect but its a whole lot easier, and they are implicitly locked > > The sound drivers do exactly this for one example. >
Alan,
can you please point me to some syscalls and/or specific files I can look at?
Thanks a lot, Olaf
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