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In an effort to more accurately reflect 'used' memory, we will now rely on the kernel's estimate of available memory. Thus, 'MEMINFO_MEM_USED' will be calculated as just 'MEMINFO_MEM_TOTAL' less 'MEMINFO_MEM_AVAILABLE'. Reference(s): . thread leading to agreed upon change https://www.freelists.org/post/procps/free-regression-due-to-a-different-calculation-of-Used-memory . where consensus reached https://www.freelists.org/post/procps/free-regression-due-to-a-different-calculation-of-Used-memory,11 https://www.freelists.org/post/procps/free-regression-due-to-a-different-calculation-of-Used-memory,12 Signed-off-by: Jim Warner <james.warner@comcast.net>