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Linux 6.15's New "hugetlb_alloc_threads" Option Can Help Speed-Up Boot Times
Among the changes that landed this week for the Linux 6.15 merge window were all of the memory management 'MM' updates, of which there are several notable patch series included.
Among the changes that landed this week for the Linux 6.15 merge window were all of the memory management "MM" updates, of which there are several notable patch series included. Johannes Weiner explained in the prior patch series on this work that goes back two years:"As memory capacity continues to grow, 4k TLB coverage has not been able to keep up. In a broad sample of Meta servers, we find that unmovable allocations make up less than 7% of total memory on average, yet occupy 34% of the 2M blocks in the system.
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