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I have an idle Linux centOS system and yet kswapd is using 100% cpu.

All I have running is a single bash session with top running.... I have 32G RAM and yet kswapd is constantly using 100% cpu for over 4 hours.

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Can we get the output of top and ps -ef? Also, an output from /proc/cpuinfo would be nice. – Rilindo Sep 29 '11 at 20:42
possible duplicate of How do I tell what process is causing kswapd to be in use? – mailq Sep 29 '11 at 20:51
What kernel version do you have? And can you paste the output of free? – David Schwartz Sep 30 '11 at 7:24
Linux version 2.6.18-164.el5 (mockbuild@builder10.centos.org) (gcc version 4.1.2 20080704 (Red Hat 4.1.2-46)) #1 SMP Thu Sep 3 03:28:30 EDT 2009 – Deshawn Sep 30 '11 at 18:11
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Something, other than cache, is using most of your memory. You need to figure out what. Try ps axv --sort=-rss | head -10 and look at the RSS fields. – David Schwartz Oct 1 '11 at 4:35
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