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Date: Fri, 6 Sep 2013 11:15:26 -0400 From: Tejun Heo <tj@...nel.org> To: Wanpeng Li <liwanp@...ux.vnet.ibm.com> Cc: rjw@...k.pl, lenb@...nel.org, tglx@...utronix.de, mingo@...e.hu, hpa@...or.com, akpm@...ux-foundation.org, trenn@...e.de, yinghai@...nel.org, jiang.liu@...wei.com, wency@...fujitsu.com, laijs@...fujitsu.com, isimatu.yasuaki@...fujitsu.com, izumi.taku@...fujitsu.com, mgorman@...e.de, minchan@...nel.org, mina86@...a86.com, gong.chen@...ux.intel.com, vasilis.liaskovitis@...fitbricks.com, lwoodman@...hat.com, riel@...hat.com, jweiner@...hat.com, prarit@...hat.com, zhangyanfei@...fujitsu.com, x86@...nel.org, linux-doc@...r.kernel.org, linux-kernel@...r.kernel.org, linux-mm@...ck.org, linux-acpi@...r.kernel.org Subject: Re: [PATCH 00/11] x86, memblock: Allocate memory near kernel image before SRAT parsed. 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@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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