Sat, 8 Mar 2003 20:24:25 +0530 (IST)
this sounds awkward, but how do we allocate mmap to a process, if
we want to explicitly do it? used the kmem_cache_alloc(mm_cachep,...) to
allocate memory to (task_struct)->mm, later allocated some vm_areas (no
dynamic libraries) similarly... after using pgd_alloc to allocate the
pgd, added mm to the mmlist and copied all other variables directly from
the original mm of that process... then, i tried to start the process...
the response was that the system rebooted instantaneously (i expected it
to generate some page-faults, but surprisingly nothing like that
happened...). On trying to learn about that further, thought i was missing
on the PMDs and the PTEs.
could someone enlighten me on what could have gone wrong in the above setup.
Thanks for your ideas.
Failure is not an option
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