Linux Kernel vs. Memory Fragmentation (Part I) - High Scalability -
(External) memory fragmentation is a long-standing Linux kernel programming issue. As the system runs, it assigns various tasks to memory pages. Over time, memory gets fragmented, and eventually, a busy system that is up for a long time may have only a few contiguous physical pages. Because the Linux kernel supports virtual memory management, physical memory fragmentation is often not an issue. Wi