[$] A herd of migration discussions
Migration is the act of moving data from one location in physical
memory to another. The kernel may migrate pages for many reasons,
including defragmentation, improving NUMA locality, moving data to or from
memory hosted on a peripheral device, or freeing a range of
memory for other uses. Given the importance of migration to the
memory-management subsystem, there is a lot of interest in improving its
performance and removing impediments to its success. Several sessions in
the memory-management trac … ⌘ Read more