$cat /proc/meminfo MemTotal: 2052440 kB //總記憶體 MemFree: 50004 kB //空閑記憶體 Buffers: 19976 kB //給檔案的緩沖大小 Cached: 436412 kB //高速緩沖存儲器(http://baike.baidu.com/view/496990.htm)使用的大小 SwapCached: 19864 kB //被高速緩沖存儲用的交換空間大小 Active: 1144512 kB //活躍使用中的高速緩沖存儲器頁面檔案大小 Inactive: 732788 kB //不經常使用的高速緩沖存儲器頁面檔案大小 Active(anon): 987640 kB //anon：不久 Inactive(anon): 572512 kB Active(file): 156872 kB Inactive(file): 160276 kB Unevictable: 8 kB Mlocked: 8 kB HighTotal: 1177160 kB //The total and free amount of memory, in kilobytes, that is not directly mapped into kernel space. HighFree: 7396 kB // The HighTotal value can vary based on the type of kernel used. LowTotal: 875280 kB // The total and free amount of memory, in kilobytes, that is directly mapped into kernel space. used. LowFree: 42608 kB //The LowTotal value can vary based on the type of kernel SwapTotal: 489940 kB //交換空間總大小 SwapFree: 450328 kB //空閑交換空間 Dirty: 104 kB //等待被寫回到磁盤的大小 Writeback: 0 kB //正在被寫回的大小 AnonPages: 1408256 kB //未映射的頁的大小 Mapped: 131964 kB //裝置和檔案映射的大小 Slab: 37368 kB //核心資料結構緩存的大小，可減少申請和釋放記憶體帶來的消耗 SReclaimable: 14164 kB //可收回slab的大小 SUnreclaim: 23204 kB //不可收回的slab的大小23204+14164=37368 PageTables: 13308 kB //管理記憶體分頁的索引表的大小 NFS_Unstable: 0 kB //不穩定頁表的大小 Bounce: 0 kB //bounce:退回 WritebackTmp: 0 kB // CommitLimit: 1516160 kB Committed_AS: 2511900 kB VmallocTotal: 122880 kB //虛拟記憶體大小 VmallocUsed: 28688 kB //已經被使用的虛拟記憶體大小 VmallocChunk: 92204 kB HugePages_Total: 0 //大頁面的配置設定 HugePages_Free: 0 HugePages_Rsvd: 0 HugePages_Surp: 0 Hugepagesize: 2048 kB DirectMap4k: 10232 kB DirectMap2M: 899072 kB
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