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Use NonNull<u8> in MmapRegionBuilder for saving space #224

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Use NonNull<u8> in MmapRegionBuilder for saving space #224

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Commits on Nov 2, 2023

  1. Use NonNull<u8> in MmapRegionBuilder for saving space 

    Updates the `raw_ptr` field in `MmapRegionBuilder` (mmap_unix.rs) from
`Option<*mut u8>` to `Option<NonNull<u8>>`. This modification saves
8 bytes on x86-64 systems, for example.

The public API and functionality remain unchanged.

Signed-off-by: Fuu <[email protected]>
    @FuuuOverclocking @jiangliu
    FuuuOverclocking authored and jiangliu committed Nov 2, 2023
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