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由 Pekka Paalanen 提交于
Use lookup_address() from pageattr.c instead of doing the same manually. Also had to EXPORT_SYMBOL_GPL(lookup_address) to make this work for modules. This also fixes "undefined symbol 'init_mm'" compile error for x86_32. Signed-off-by: NPekka Paalanen <pq@iki.fi> Signed-off-by: NIngo Molnar <mingo@elte.hu> Signed-off-by: NThomas Gleixner <tglx@linutronix.de>
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