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SubjectRe: [PATCH] 2.6: mmap complement, fdmap
On Sun, Mar 21, 2004 at 10:43:07PM -0600, Matt Miller wrote:
> ``flags'' can be one of O_RDONLY, O_WRONLY, or O_RDWR.
> I have verified functionality on ia32 and sparc as these are the only
> architectures I currently have some type of access to. To test, start the
> kernel configuration process and go under File systems/Pseudo filesystems
> and select this option:
> [*] Virtual memory file descriptor mapping support
> Please let me know about any and all suggestions/bugs/flames. I tried to
> be as thorough as possible but do suspect that I've missed some things.
> I'm looking forward to hearing feedback.


a) what the hell for?
b) what happens if I pass such descriptor to another task?
c) what happens if I mmap that sucker on the source range of addresses?
d) same for loops made of more than one of those...
e) see (a)
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