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SubjectRe: [PATCH,preliminary] cleanup shm handling

> here is my first shot for cleaning up the shm handling. It did survive
> some basic testing but is not ready for inclusion.

Can you help me with an SHM related problem?

I'm currently writing a Win32 emulation kernel module to help speed Wine up,
and I'm writing the file mapping support stuff at the moment
(CreateFileMapping and MapViewOfFile).

I have PE Image mapping just about working (fixups, misaligned file sections
and all), but I'm trying to think of a good way of doing anonymous shared
mappings without having to hack the main kernel around too much (so far I've
only had to add to kernel/ksyms.c).

Is there a reasonable way I could hook into the SHM system to "reserve" a
chunk of shared memory of a particular size, and then a second hook by which I
can "map" _part_ of that into a process's address space?


PS: to anyone else reading this, if you wrote do_generic_file_read(), it
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