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Date: Fri, 25 Jun 2010 14:00:02 +0900 (JST) From: KOSAKI Motohiro <kosaki.motohiro@...fujitsu.com> To: andrew hendry <andrew.hendry@...il.com> Cc: kosaki.motohiro@...fujitsu.com, linux-kernel <linux-kernel@...r.kernel.org> Subject: Re: 2.6.35-rc1 system oom, many processes killed but memory not free > I left a 2.6.35-rc1 system, ubuntu 10.4/64 building randconfigs in a > ramdisk overnight. > /dev/ram0 9842848 5141780 4201068 56% /media/ramdisk your total memory size is 8GB, but ramdisk size is 9.8GB. it's odd settings. > > After about 3 hours oom killer started killing nearly all the > processes, but the memory is still not released. Could ramdisk cause > this? How can I find out what is still using all the memory? Could. but I'm unclear your case was happen by only ramdisk. Can you remove such ramdisk at once? > > cat /proc/meminfo > MemTotal: 8187304 kB > MemFree: 231976 kB > Buffers: 424 kB > Cached: 19728 kB > SwapCached: 51144 kB > Active: 14056 kB > Inactive: 72592 kB > Active(anon): 12900 kB > Inactive(anon): 53940 kB > Active(file): 1156 kB > Inactive(file): 18652 kB > Unevictable: 0 kB > Mlocked: 0 kB > SwapTotal: 1986556 kB > SwapFree: 1504676 kB > Dirty: 0 kB > Writeback: 19720 kB > AnonPages: 32884 kB > Mapped: 4760 kB > Shmem: 4 kB > Slab: 51652 kB > SReclaimable: 28816 kB > SUnreclaim: 22836 kB > KernelStack: 2880 kB > PageTables: 18484 kB > NFS_Unstable: 0 kB > Bounce: 0 kB > WritebackTmp: 0 kB > CommitLimit: 6080208 kB > Committed_AS: 1133944 kB > VmallocTotal: 34359738367 kB > VmallocUsed: 350936 kB > VmallocChunk: 34359369212 kB > HardwareCorrupted: 0 kB > HugePages_Total: 0 > HugePages_Free: 0 > HugePages_Rsvd: 0 > HugePages_Surp: 0 > Hugepagesize: 2048 kB > DirectMap4k: 7616 kB > DirectMap2M: 8372224 kB -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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