config question

[Davy Durham]

Question: 

What is the danger or disadvantage (if any) of setting:

CONFIG_HIGHMEM4G=y
CONFIG_HIGHMEM=y

when a machine only has say 512megs installed?


Thanks,
 Davy
-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/