Hi Alexej,
The actual mapping code is now at http://pastebin.com/m56a949a5 The
objects in question are allocated through vm_pager_allocate with
OBJT_SWAP. Note that I'm not sure when OBJ_ONEMAPPING clearing
actually helps and when not -- I've more sprinkled it around the code
in the ho
hi ,
I had a problem with remapping too. Could I see your code?
here is my code, that some times on AMD64 runs wrong :
http://pastebin.com/m78da0b37
And now I solved the problem with remapping by using /dev/mem device. It has
mmap syscal. And it seems to be working without problem.
Alexej
<
2009
As a part of a research project, I'm trying to build publish/subscribe
shared memory semantics where the idea is to first map an vm_object as
read/write to a publisher's memory space, and then a COW shadow of
that later to the subscriber processes' memory space.
I've got to the point where
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