Define Labyrinth Void Allocpagegfpatomic Exclusive High Quality Now

: Creates a macro alias for the following expression.

Imagine a network driver in an interrupt handler. It needs a temporary buffer to copy a received packet. define labyrinth void allocpagegfpatomic exclusive

More plausibly, void is the return type: the allocator but modifies a pre-allocated pointer passed by reference (out-parameter). : Creates a macro alias for the following expression

: A common prefix for functions that allocate physical memory pages. In the Linux kernel, alloc_pages define labyrinth void allocpagegfpatomic exclusive

Short for . In the Linux kernel, gfp_t controls where and how the allocator looks for memory (e.g., GFP_KERNEL , GFP_ATOMIC ). By including gfp in the function name, the author is signaling that this function accepts standard GFP flags—or hardcodes a specific set of them.