Add support for huge pages in frame allocator types #1064
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kevinaboos
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Nov 8, 2023
* This is another step towards huge pages support.
* The next step is to parameterize `AllocatedPages` too,
and then support varying `PageSize`s within `MappedPages`.
* Then, we will add simple routines to convert a 4K-sized
`AllocatedPages`/`Frames` into 2M or 1G sized chunks,
which keeps the allocation routines simpler because they only
have to deal with 4k-sized chunks of pages or frames.
* This design enables only the `mapper` module and the
related implementation of `MappedPages` to contain most of the
complexity around handling multiple page sizes.
* This is a better design choice than #1064, which attempts to
contain that complexity within `AllocatedPages`/`Frames`,
because that design still requires complexity within `mapper`.
|
Superseded by #1070. |
github-actions bot
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that referenced
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Nov 8, 2023
* This is another step towards huge pages support.
* The next step is to parameterize `AllocatedPages` too,
and then support varying `PageSize`s within `MappedPages`.
* Then, we will add simple routines to convert a 4K-sized
`AllocatedPages`/`Frames` into 2M or 1G sized chunks,
which keeps the allocation routines simpler because they only
have to deal with 4k-sized chunks of pages or frames.
* This design enables only the `mapper` module and the
related implementation of `MappedPages` to contain most of the
complexity around handling multiple page sizes.
* This is a better design choice than #1064, which attempts to
contain that complexity within `AllocatedPages`/`Frames`,
because that design still requires complexity within `mapper`. 8883597
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