Re: Regarding Memory sharing

["Usman S. Ansari" <uansari@xxxxxxxxx>]

One way would be to open your driver (through device special file) and 
then call mmap system call. mmap will eventually reach you driver and in 
the driver you can map the memory you allocated to virtual address space 
of userspace application.

Usman

Vinay Salotagi wrote:

> <>Hi All
>
> I have allocated a piece of memory in the kernel space ( using kmalloc 
> ) and wanted to share this memory with a process running in user mode. 
> Is there any way that the process can directly access this memory 
> without writing a system call. I mean can we attach the this memory in 
> the process's
> address space, some thing similar to shmat( ) which we use with the 
> shared memory and directly start the transactions.

> <>--
> Usman S. Ansari
> http://www.beconvinced.com


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