Skip to content

Tagged: #compressor

← Back to all articles
Memory pressure on macOS: compressor, jetsam, and the working set
How XNU responds when memory gets tight — the four-stage pressure pipeline from free pages through compression to swap to process termination, and what each stage costs.
virtual-memorycompressorjetsammemory-pressure
Virtual memory in XNU: pmap, the VM map, and the compressor
Every macOS process gets a private address space it can't possibly afford. Here's how XNU gives it one anyway — pmap, vm_map, the compressor, and jetsam.
virtual-memorykernelxnucompressor