Symptom
"memory free low-watermark processor " shown in running-config with wrong value, cause as expected the threshold value should be set as 10% of total processor memory.
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Router#show run | in memory
memory free low-watermark processor 67482
Router#
Router#show memory processor statistics
Tracekey : 1#71c88d7e1b9cf87e65b91ce4dcbb60d6
Head Total(b) Used(b) Free(b) Lowest(b) Largest(b)
Processor 7F2C5DB90048 3836753052 260278296 3576474756 690768476 3145727908
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Workaround
execute "no memory free low-watermark processor" to let it back to expected default value.