Re: [PATCH 00/11] x86, memblock: Allocate memory near kernel imagebefore SRAT parsed.

[Tejun Heo]

Hello, Wanpeng.

On Fri, Sep 06, 2013 at 04:58:11PM +0800, Wanpeng Li wrote:
> What's the root reason memblock alloc from high to low? To reduce 
> fragmentation or ...

Because low memory tends to be more precious, it's just easier to pack
everything towards the top so that we don't have to worry about which
zone to use for allocation and fallback logic.

Thanks.

-- 
tejun
--
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/