Unverified50% confidenceFactExact time
A major page fault means the target page is not in physical memory and must be read from disk, with overhead at the millisecond level; a minor fault only requires establishing a mapping in the page table or page cache, with overhead at the microsecond level.
1
Sources
50%
Confidence
Long-term
Relevance
10/13/2026
First Seen
Sources
Related Entities
Related Claims
UnverifiedFlash memory writes in units of pages (typically 4KB) and erases in units of blocks (typically 128–256 pages).59% similarUnverifiedPagedAttention causes KV cache memory waste to occur only in the last unfilled block of a request, and vLLM reports waste of less than 4%.57% similarUnverifiedllama.cpp uses mmap by default to load GGUF models, loading pages from the SSD on demand into the Linux page cache via major page faults.57% similar
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