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SubjectRe: [PATCH] Use separate sections for __dev/__cpu/__mem code/data
On Sun, Jan 20, 2008 at 09:09:03PM +0100, Sam Ravnborg wrote:
> Introducing separate sections for __dev* (HOTPLUG),
> __cpu* (HOTPLUG_CPU) and __mem* (MEMORY_HOTPLUG)
> allows us to do a much more reliable Section mismatch
> check in modpost. We are no longer dependent on the actual
> configuration of for example HOTPLUG.
> This has the effect that all users see much more
> Section mismatch warnings than before because they
> were almost all hidden when HOTPLUG was enabled.
> The advantage of this is that when building a piece
> of code then it is much more likely that the Section
> mismatch errors are spotted and the warnings will be
> felt less random of nature.
> Signed-off-by: Sam Ravnborg <>
> Cc: Greg KH <>
> Cc: Randy Dunlap <>
> Cc: Adrian Bunk <>

I like this a lot. It makes things much more understandable from a
driver developer's point of view, and would allow us to mark some things
as freeable when we do not run with a CPU hotplug system :)

Feel free to add a:
Acked-by: Greg Kroah-Hartman <>
to the patch, if you want to take it in your tree.


greg k-h

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