Messages in this thread | | | Subject | Re: [PATCH] Fix mmap_kmem (was: [question] What's the difference between /dev/kmem and /dev/mem) | From | Steven Rostedt <> | Date | Thu, 18 Aug 2005 10:18:10 -0400 |
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On Thu, 2005-08-18 at 16:07 +0200, Arjan van de Ven wrote: > > Whilst there's no normal legitimite usage for it, it is useful for debugging. > > One thing I often do is create a circular log buffer, then fish it back > > out by mmaping /dev/mem or /dev/kmem, and going by system.map offsets. > > No, nobody could claim it was clean or elegant, but it *is* useful. > > relayfs.
It's still not in the vanilla kernel. Besides, mapping kmem is more fun :-)
-- Steve
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