Define Labyrinth Void Allocpagegfpatomic | Exclusive

: This likely refers to a function or macro wrapping alloc_page with the GFP_ATOMIC flag. This flag is used when the caller cannot sleep (e.g., inside an interrupt handler), allowing the system to use its emergency "atomic" memory reserves.

: The kernel checks for free memory. If available, it marks a page as "Exclusive." Concurrency Protection : While a page is "Exclusive," the OS Scheduler define labyrinth void allocpagegfpatomic exclusive