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     * Create the text vm_area and copy the userspace code there.
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     * Create the text vm_area and copy the userspace code there.
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     */
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     */
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    a = vm_area_create(m, VMA_TEXT, 1, UTEXT_ADDRESS);
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    a = vm_area_create(m, VMA_TEXT, 1, UTEXT_ADDRESS);
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    if (!a) panic("vm_area_create: vm_text");
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    if (!a) panic("vm_area_create: vm_text");
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    vm_area_map(a, m);
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    vm_area_map(a, m);
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    memcopy((__address) utext, PA2KA(a->mapping[0]), utext_size < PAGE_SIZE ? utext_size : PAGE_SIZE);
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    memcopy(PA2KA(a->mapping[0]), (__address) utext, utext_size < PAGE_SIZE ? utext_size : PAGE_SIZE);
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    /*
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    /*
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     * Create the data vm_area.
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     * Create the data vm_area.
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     */
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     */
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    a = vm_area_create(m, VMA_STACK, 1, USTACK_ADDRESS);
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    a = vm_area_create(m, VMA_STACK, 1, USTACK_ADDRESS);