On Thu, Sep 26, 2013 at 11:43:02PM +0800, Zhang Yanfei wrote: > > As Yinghai pointed out in another thread, do we need to worry about > > falling back to top-down? > > I've explained to him. Nop, we don't need to worry about that. Because even > the min_pfn_mapped becomes ISA_END_ADDRESS in the second call below, we won't > allocate memory below the kernel because we have limited the allocation above > the kernel.
Maybe I misunderstood but wasn't he worrying about there not being enough space above kernel? In that case, it'd automatically fall back to top-down allocation anyway, right? Thanks. -- tejun -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
