meminfoDocumentation/filesystem/proc.rst对meminfo的描述如下:Providesinformationaboutdistributionandutilizationofmemory.Thisvariesbyarchitectureandcompileoptions./proc/meminfo以各种维度对内存的使用和分布情况进行了统计，用于查看内存使用情况的f

MemTotal:1859964kBMemFree:226356kBMemAvailable:847856kBBuffers:23332kBCached:710996kBSwapCached:64kBActive:308020kBInactive:655400kBActive(anon):97916kBInactive(anon):222764kBActive(file):

[root@iZ2ze7ukvpkonzby0h3wbfZ~]#cat/proc/meminfoMemTotal:16265476kB//可用的总内存MemFree:212936kB//完全未用到的物理内存LowFree+HighFreeMemAvailable:1968228kB//MemAvailable≈MemFree+Buffers+CachedBuffers: