Module frame_allocator 

Physical frame allocator for VeridianOS

Implements a hybrid allocator combining bitmap (for small allocations) and buddy system (for large allocations) with NUMA awareness.

Structs

FrameAllocator

NUMA-aware hybrid frame allocator

FrameAllocatorStats

Statistics for frame allocator

FrameNumber

Physical frame number

PerCpuPageCache

Per-CPU page frame cache to reduce global FRAME_ALLOCATOR contention.

PhysicalAddress

Physical memory address

PhysicalFrame

Physical frame representation

ReservedRegion

Reserved memory region

Enums

FrameAllocatorError

Frame allocator errors

MemoryZone

Memory zone for frame allocation

Constants

FRAME_SIZE

Size of a physical frame (4KB)

Functions

per_cpu_alloc_frame

Allocate a single physical frame using the per-CPU cache.

per_cpu_free_frame

Free a single physical frame using the per-CPU cache.

Type Aliases

Result

Frame allocation result