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xerox 4 years ago
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paging table manipulation from user-mode. operations such as getting and setting all paging table entries and values are offered. the code is aware of large pages and allows the programmer to allocate 2mb pages if needed (without going through all of the shenanigans of breaking a 2mb page down over a new PT handled by the user). paging table manipulation from user-mode. operations such as getting and setting all paging table entries and values are offered. the code is aware of large pages and allows the programmer to allocate 2mb pages if needed (without going through all of the shenanigans of breaking a 2mb page down over a new PT handled by the user).
Please disable spectra/meltdown since this patch creates two sets of PML4's per process (which i dont support).
Link to write up can be found [here](https://back.engineering/post/virtual-memory/).
# table entry manipulation # table entry manipulation
- get/set pml4e's - get/set pml4e's
- get/set pdpte's - get/set pdpte's

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