memory tier: make memory_tier_subsys const

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Now that the driver core can properly handle constant struct bus_type,
move the memory_tier_subsys variable to be a constant structure as well,
placing it into read-only memory which can not be modified at runtime.

Link: https://lkml.kernel.org/r/20240204-bus_cleanup-mm-v1-1-00f49286f164@marliere.net
Signed-off-by: Ricardo B. Marliere <ricardo@marliere.net>
Suggested-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Reviewed-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>

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Ricardo B. Marliere 2024-02-04 10:56:44 -03:00 • committed by Andrew Morton

parent 9814171852

commit e374ae2be2

1 changed files with 1 additions and 1 deletions

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mm/memory-tiers.c

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