vm: implement private and shared address space mappings
whether a mapping is private or shared determines how the mapping is handled when a task is duplicated.
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@@ -128,6 +128,7 @@ extern kern_status_t sys_address_space_map(
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kern_handle_t object,
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off_t object_offset,
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size_t length,
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vm_flags_t flags,
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vm_prot_t prot,
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virt_addr_t *out_base_address);
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extern kern_status_t sys_address_space_unmap(
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