Linux's Early Boot-Time Physical Memory Allocator Sees Big Speed-Up: ~268s To ~50ms
phoronix.com/news/Linux-7.4…
phoronix.com/news/Linux-7.4…
Oct 24, 2026 · 1:16 PM UTC
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@phoronix 268 seconds to 50 milliseconds, somewhere a kernel dev is staring at a graph and smiling.
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@phoronix Worth noting the ~268s case is KHO, the kernel handover behind Live Update Orchestrator, where the host kernel is swapped while VMs keep their memory. That is exactly where minutes matter: the point is updating the host without guests noticing.
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