Cc: Mike Travis <travis@...>, Jeremy Fitzhardinge <jeremy@...>, Eric W. Biederman <ebiederm@...>, Arjan van de Ven <arjan@...>, Ingo Molnar <mingo@...>, Andrew Morton <akpm@...>, Jack Steiner <steiner@...>, <linux-kernel@...>, Rusty Russell <rusty@...>
i386?
i386 uses 4K mappings. There are just a few cpus supported, there is scarcity of ZONE_NORMAL memory so the per cpu areas really cannot get that big. See the cpu_alloc patchsets for i386.
--