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Sudarshan Rajagopalan

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Dynamic VM Memory Resizing daemon (vmrd)Open Source Summit North America 20252025-06-23
Guest-driven daemon vmrd uses Linux PSI signals and the virtio-mem interface to proactively request or return memory blocks from the primary VM, implemented in…
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Deferred Memblocks Init for Boot Time ReductionEmbedded Linux Conference @ EOSS NA 20242024-04-16
Claim: booting with a small subset of RAM and initializing the rest asynchronously cuts kernel boot time by about 160–200 ms on an SM8550 with 12 GB DRAM…
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Memory Page-pooling with Auto Refill Feature for Improved Memory Allocati...LinuxCon @ OSS NA 20242024-04-16
Kernel adds kthread auto-refill that wakes when a pool falls below a fill/low watermark and asynchronously allocates pages (order-9 2MB, order-4 16KB, order-0…
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Deferred Memblocks Init for Boot Time ReductionEmbedded Open Source Summit 20242024-04-16
Linux boots with a reduced RAM set (use mem=2G on a 12GB board) and adds the remaining blocks later via memory hotplug (kernel kthreads or a userspace service…
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