Module mem 

Memory subsystem: physical memory manager, virtual memory manager, and heap allocator.

Authors: MarioS271

Modules

heap 🔒

Kernel heap allocator: a fixed-size [linked_list_allocator::LockedHeap] set as the #[global_allocator]. Does not grow after init.

pmm 🔒

Physical Memory Manager (PMM): tracks free and used 4 KiB physical frames with a bitmap and hands out or reclaims individual frames.

x86_64 🔒

x86_64 memory backend: four-level page table VMM and helper utilities.