|
|
|
|
|
|
by sparkie
237 days ago
|
|
|
> Using 16 bits may be risky on recent x86. For example, IIRC Linux enables 5-level page tables on microarchitectures that support it, which can put valid address data in bits 48-56. Linux will not allocate past the 47-bit range, even with 5-level paging enabled, unless specifically requested, by providing a pointer hint to `mmap` with a higher address. https://www.kernel.org/doc/html/v5.14/x86/x86_64/5level-pagi... |
|
|