Chunk 0 (64KB)

Chunk 1 (64KB)

Chunk 2 (64KB)

Chunk 3 (64KB)

64KB RAM Buffer

read(fd, buf, 65536)

Sequential Stream

Processed Chunk 0

Processed Chunk 1

Virtual Address Space

mmap(addr, len, ...)

Page 0 (Loaded)

Page 1 (Unmapped)

Page 2 (Loaded)

Page 3 (Unmapped)

Disk Block 0

Disk Block 1

Disk Block 2

Disk Block 3

$\mathbf{p} = \text{mmap}(\dots, fd, 0)$

$\text{PageFault}(\mathbf{p}+k) \implies \text{OS Load}(B_k)$