(switched to email. Please respond via emailed reply-to-all, not via the bugzilla web interface). On Tue, 6 Nov 2012 15:11:48 +0000 (UTC) bugzilla-daemon@xxxxxxxxxxxxxxxxxxx wrote: > https://bugzilla.kernel.org/show_bug.cgi?id=50181 > > Summary: Memory usage doubles after more then 20 hours of > uptime. > Product: Memory Management > Version: 2.5 > Kernel Version: 3.7-rc3 and 3.7-rc4 > Platform: All > OS/Version: Linux > Tree: Mainline > Status: NEW > Severity: normal > Priority: P1 > Component: Other > AssignedTo: akpm@xxxxxxxxxxxxxxxxxxxx > ReportedBy: sukijaki@xxxxxxxxx > Regression: Yes > > > Created an attachment (id=85721) > --> (https://bugzilla.kernel.org/attachment.cgi?id=85721) > kernel config file > > After 20 hours of uptime, memory usage starts going up. Normal usage for my > system was around 2.5GB max with all my apps and services up and running. But > with 3.7-rc3 and now -rc4 kernel, after more then 20 hours of uptime, it starts > to going up. With kernel before 3.7-rc3, my machine could be up for 10 days and > not go beyond 2.6GB memory usage. > > If I start some app that uses a lot of memory, when there is already 4 or even > 6GB used already, insted of freeing the memory, it starts to swap it, and > everything slows down with a lot of iowait. > > Here is "free -m" output after 24 hours of uptime: > > free -m > total used free shared buffers cached > Mem: 7989 7563 426 0 146 2772 > -/+ buffers/cache: 4643 3345 > Swap: 1953 688 1264 > > > I know that it is ok for memory to be used this much for buffers and cache, but > it is not normal not to relase it when it is needed. > > In attachment is my kernel config file. > Sounds like a memory leak. Please get the machine into this state and then send us - the contents of /proc/meminfo - the contents of /proc/slabinfo - the contents of /proc/vmstat - as root: dmesg -c echo m > /proc/sysrq-trigger dmesg thanks. -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@xxxxxxxxx. For more info on Linux MM, see: http://www.linux-mm.org/ . Don't email: <a href=mailto:"dont@xxxxxxxxx";> email@xxxxxxxxx </a>