In this context, typically refers to the specific software architecture or kernel-level project (often associated with custom memory controllers or experimental hardware abstraction layers). It identifies the "namespace" or the subsystem where this memory allocation logic resides.
It may be a procedure that performs an operation on a memory mapped region without returning a standard integer status code. 3. Alloc_Page define labyrinth void allocpagegfpatomic exclusive
This is the core action. Unlike standard malloc , which deals with small, variable-sized chunks of memory, alloc_page works with . In most modern systems, this means a fixed block of 4KB. By allocating at the page level, the system ensures better alignment and more efficient use of the Memory Management Unit (MMU). 4. GFP_Atomic In this context, typically refers to the specific
The function might return a "void pointer" ( void * ), which is a generic memory address that can be cast to any data type. In most modern systems, this means a fixed block of 4KB
This is the "emergency" mode. An atomic allocation cannot sleep . It must be fulfilled immediately. This is used in "interrupt context" (like when a mouse moves or a network packet arrives) where the system cannot afford to wait for the disk to swap or for other processes to free up space. If memory isn't immediately available, an atomic allocation will fail rather than wait. 5. Exclusive
Deep Dive: Defining labyrinth_void_alloc_page_gfp_atomic_exclusive
You will typically see labyrinth_void_alloc_page_gfp_atomic_exclusive in or Real-Time Systems .