Tag
page-fault
- Sep 11, 2026 Post-Copy Migration and Demand Paging from the Source Instead of shrinking the dirty set, post-copy moves the vCPUs first and faults memory back from the source on demand. It bounds downtime at the cost of fault latency and a source that cannot be released. virtualization
- Aug 24, 2026 First-Touch Placement and the Faulting Thread Why a page lands on the node of whichever thread first writes it, what the kernel actually does inside the fault handler, and how the choice of allocation policy changes that default. memory systems
- Aug 11, 2026 Demand Paging and the First-Touch Fault What happens between mmap returning and a page becoming resident, the three fault outcomes a handler must distinguish, and why anonymous memory is zeroed lazily. memory systems