Red Hat Bugzilla – Bug 38950
Kernel shared memory is 0 used or reported by kernel 2.4.2-2 causing memory and swap bloat
Last modified: 2007-04-18 12:33:01 EDT
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User-Agent: Mozilla/4.76 [en] (X11; U; Linux 2.4.2-2 i686)
Description of problem:
Kernel 2.4.2-2 fails to use shared memory between processes, causing
unusually high need for memory.
Steps to Reproduce:
cat /proc/meminfo | grep MemShared
Actual Results: Report no shared memory- no matter what is loaded or how
many times something is loaded...
Expected Results: Memory should be shared between processes using the same
This is a stock RH7.1 install on a cheezy Dell i810 chipset P3 w/ 128MB
This bug is evident on every 7.1 install I've checked at work (webserver,
I'm dumbfounded nobody has reported this one...
It's just that the 2.4 kernel no longer accounts this as this was a very
expensive operation. memory _IS_ shared however.