Messages in this thread | | | Date | Wed, 24 Nov 1999 10:50:53 -0500 (EST) | From | Eric Lowe <> | Subject | Re: Mapping from user VA to kernel VA... |
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Hello,
> I have a need to do the following. > > User process sends the his virtual address to kernel. > > Kernel locks memory down and now has the list of physical pages. > > What should i do so that i can get a kernel linear address, that maps to the > same physical page? > > any help is greatly appreciated. >
Stephen Tweedie's patch works fine if you use kiovecs. I'm working on a patch that will do async and shared memory rw locking derived on that set of patches but it's still a work-in-progress and has been for awhile...
-- Eric Lowe FibreChannel Software Engineer, Systran Corporation elowe@systran.com
"You can't spell failure without U-R-A." -Dispair.com
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