An improvement sent to Linux 7.4 replaces a linear search by a binary search in the early boot memory assignor. In tests linked to Kexec HandOver, the recovery time would have dropped from several minutes to about 50 milliseconds. *** Optimization modifies memblock functions, the system that manages physical memory regions before the full page assignor starts. Tarun Sahu, a Google engineer, identified the cost of the linear search when there are…
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An improvement sent to Linux 7.4 replaces a linear search by a binary search in the early boot memory assignor. In tests linked to Kexec HandOver, the recovery time would have dropped from several minutes to about 50 milliseconds. *** Optimization modifies memblock functions, the system that manages physical memory regions before the full page assignor starts. Tarun Sahu, a Google engineer, identified the cost of the linear search when there are…