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                                            sarahspberrypi

[Question] Is there a reason to not support pagemaps level 5 ?

I noticed that the bitmask of the `addr()` function of `PageTableEntry` (see [here](https://github.com/rust-osdev/x86_64/blob/master/src/structures/paging/page_table.rs#L57-L59)) already supports 5-level paging (with 52 Bits) but the `VirtAddr::new()` function still only expects a 4-level address...

fix(x86_64): don't set `CR0Flags::TASK_SWITCHED`

> @sarahspberrypi I talked to @mkroening We would like to set TASK_SWITCHED flag. Do you really need to remove the flag? @stlankes The flag is set later during `switch_to_task()` call...

fix(x86_64): don't set `CR0Flags::TASK_SWITCHED`

This is not relevant anymore.