The Arm64 architecture offers configurable memory page sizes in the MMU, unlike the fixed 4KB size in x86 systems. Memory pages can be set to 4KB, 16KB, or 64KB. Larger page sizes may result in less efficient memory usage when not fully utilized, as seen with examples of storing varying data sizes. The MMU and OS kernel optimize memory allocation by using previously allocated, non-full memory blocks to improve efficiency when larger allocations occur.
Larger memory page sizes can impact memory efficiency and performance, potentially leading to less efficient memory use if pages are not fully utilized.
On ARM64 systems, developers have the flexibility to configure memory page sizes to be 4KB, 16KB, or 64KB, unlike the fixed 4KB sizes on x86.
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