How do I create a partial diskdump in Red Hat Enterprise Linux 4?

Updated -

Some machines have huge amount of physical memory installed, and by default, diskdump will create a huge kernel coredump file.

The diskdump option, dump_level, can reduce the core dump size by stripping unnecessary pages off the core files.

The option dump_level specifies which memory pages will be dumped.  Default value of 0 dumps all pages of physical...

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