core dump vs kern.ipc.shm_use_phys

[Andriy Gapon]

I seems that if kern.ipc.shm_use_phys is enabled then shared memory regions are
not included into a coredump.  Seems that each_writable_segment() in
sys/kern/imgact_elf.c skips OBJT_PHYS objects.

-- 
Andriy Gapon