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目前顯示的是 3月, 2013的文章

/proc/sys/vm/drop_caches

To free pagecache: echo 1 > /proc/sys/vm/drop_caches To free dentries and inodes: echo 2 > /proc/sys/vm/drop_caches To free pagecache, dentries and inodes: echo 3 > /proc/sys/vm/drop_caches linux 2.6.16 之後才有 refernece :  http://people.arsc.edu/~kcarlson/software/man/drop_caches.html http://www.linuxidc.com/Linux/2010-03/24939.htm