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arm64: Fix calculating kernel size for preload metadata
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Authored by jhb on Nov 11 2025, 8:11 PM.
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Details

Summary

Cast &end to vm_offset_t before subtracting VM_MIN_KERNEL_ADDRESS to
ensure the resulting size is correct for PRELOAD_PUSH_VALUE.
Previously the correct size was effectively divided by sizeof(void *).

Obtained from: CheriBSD

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rG FreeBSD src repository
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