Difference between System.map and /proc/kallsyms

[Anupam Kapoor]

>>>>> [2015-03-09T11:30:00+0530]: "Jamal" (Jamal):
,----[ Jamal ]
| Hi..
| 
| After reading Documentation on System.map, i understood that , whenever 
| an oops happens the following addresses  will be converted to its 
| function name by klogd daemon using System.map.
| 
| Now when we have /proc/kallsyms which stores the symbol table in the 
| kernel image itself.Then what is the need of System.map file??Is any 
| process or daemon still using it??
`----
oldish, but quite useful: http://www.dirac.org/linux/system.map/

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thanks
anupam