Hi, On Thursday 18 October 2007 16:24, Vasily Averin wrote: > Hi all, > > could anybody explain how "inactive" may be much greater than "cached"? > stress test (http://weather.ou.edu/~apw/projects/stress/) that writes into > removed files in cycle puts the node to the following state: > > MemTotal: 16401648 kB > MemFree: 636644 kB > Buffers: 1122556 kB > Cached: 362880 kB > SwapCached: 700 kB > Active: 1604180 kB > Inactive: 13609828 kB > > At the first glance memory should be freed on file closing, nobody refers > to file and ext3_delete_inode() truncates inode. We can see that memory is > go away from "cached", however could somebody explain why it become > "invalid" instead be freed? Who holds the references to these pages? Buffers, swap cache, and anonymous. - To unsubscribe from this list: send the line "unsubscribe linux-ext4" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html