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Use a instead of an before a constant (#766)

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StackDoubleFlow
2020-03-17 02:48:17 -05:00
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blog/content/second-edition/posts/09-paging-implementation/index.md
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@@ -632,7 +632,7 @@ The traits only define the interface, they don't provide any implementation. The
[`MappedPageTable`]: https://docs.rs/x86_64/0.9.6/x86_64/structures/paging/mapper/struct.MappedPageTable.html [`MappedPageTable`]: https://docs.rs/x86_64/0.9.6/x86_64/structures/paging/mapper/struct.MappedPageTable.html
[`RecursivePageTable`]: https://docs.rs/x86_64/0.9.6/x86_64/structures/paging/mapper/struct.RecursivePageTable.html [`RecursivePageTable`]: https://docs.rs/x86_64/0.9.6/x86_64/structures/paging/mapper/struct.RecursivePageTable.html
In our case, the bootloader maps the complete physical memory at an virtual address specfied by the `physical_memory_offset` variable, so we can use the `OffsetPageTable` type. To initialize it, we create a new `init` function in our `memory` module: In our case, the bootloader maps the complete physical memory at a virtual address specfied by the `physical_memory_offset` variable, so we can use the `OffsetPageTable` type. To initialize it, we create a new `init` function in our `memory` module:
```rust ```rust
use x86_64::structures::paging::OffsetPageTable; use x86_64::structures::paging::OffsetPageTable;