From: Wen Congyang <wency@cn.fujitsu.com> To: Jianguo Wu <wujianguo@huawei.com> Cc: "H. Peter Anvin" <hpa@zytor.com>, Tang Chen <tangchen@cn.fujitsu.com>, wujianguo <wujianguo106@gmail.com>, akpm@linux-foundation.org, rob@landley.net, isimatu.yasuaki@jp.fujitsu.com, laijs@cn.fujitsu.com, linfeng@cn.fujitsu.com, jiang.liu@huawei.com, yinghai@kernel.org, kosaki.motohiro@jp.fujitsu.com, minchan.kim@gmail.com, mgorman@suse.de, rientjes@google.com, rusty@rustcorp.com.au, linux-kernel@vger.kernel.org, linux-mm@kvack.org, linux-doc@vger.kernel.org, qiuxishi@huawei.com Subject: Re: [PATCH v2 5/5] page_alloc: Bootmem limit with movablecore_map Date: Tue, 27 Nov 2012 11:34:01 +0800 [thread overview] Message-ID: <50B434A9.3030600@cn.fujitsu.com> (raw) In-Reply-To: <50B431E6.7060208@huawei.com> At 11/27/2012 11:22 AM, Jianguo Wu Wrote: > On 2012/11/27 11:19, Wen Congyang wrote: > >> At 11/27/2012 08:58 AM, Jianguo Wu Wrote: >>> On 2012/11/26 23:48, H. Peter Anvin wrote: >>> >>>> On 11/26/2012 05:15 AM, Tang Chen wrote: >>>>> >>>>> Hi Wu, >>>>> >>>>> That is really a problem. And, before numa memory got initialized, >>>>> memblock subsystem would be used to allocate memory. I didn't find any >>>>> approach that could fully address it when I making the patches. There >>>>> always be risk that memblock allocates memory on ZONE_MOVABLE. I think >>>>> we can only do our best to prevent it from happening. >>>>> >>>>> Your patch is very helpful. And after a shot look at the code, it seems >>>>> that acpi_numa_memory_affinity_init() is an architecture dependent >>>>> function. Could we do this somewhere which is not depending on the >>>>> architecture ? >>>>> >>>> >>>> The movable memory should be classified as a non-RAM type in memblock, >>>> that way we will not allocate from it early on. >>>> >>>> -hpa >>> >>> >>> yep, we can put movable memory in reserved.regions in memblock. >> >> Hmm, I don't think so. If so, memory in reserved.regions contain two type >> memory: bootmem and movable memory. We will put all pages not in reserved.regions >> into buddy system. If we put movable memory in reserved.regions, we have >> no chance to put them to buddy system, and can't use them after system boots. >> > > yes, you are right. Or we can fix movablecore_map when add memory region to memblock. If so, we should know the nodes address range... Thanks Wen Congyang >> Thanks >> Wen Congyang >> >>> >>>> >>>> >>>> . >>>> >>> >>> >>> >>> >> >> >> . >> > > > >
WARNING: multiple messages have this Message-ID (diff)
From: Wen Congyang <wency@cn.fujitsu.com> To: Jianguo Wu <wujianguo@huawei.com> Cc: "H. Peter Anvin" <hpa@zytor.com>, Tang Chen <tangchen@cn.fujitsu.com>, wujianguo <wujianguo106@gmail.com>, akpm@linux-foundation.org, rob@landley.net, isimatu.yasuaki@jp.fujitsu.com, laijs@cn.fujitsu.com, linfeng@cn.fujitsu.com, jiang.liu@huawei.com, yinghai@kernel.org, kosaki.motohiro@jp.fujitsu.com, minchan.kim@gmail.com, mgorman@suse.de, rientjes@google.com, rusty@rustcorp.com.au, linux-kernel@vger.kernel.org, linux-mm@kvack.org, linux-doc@vger.kernel.org, qiuxishi@huawei.com Subject: Re: [PATCH v2 5/5] page_alloc: Bootmem limit with movablecore_map Date: Tue, 27 Nov 2012 11:34:01 +0800 [thread overview] Message-ID: <50B434A9.3030600@cn.fujitsu.com> (raw) In-Reply-To: <50B431E6.7060208@huawei.com> At 11/27/2012 11:22 AM, Jianguo Wu Wrote: > On 2012/11/27 11:19, Wen Congyang wrote: > >> At 11/27/2012 08:58 AM, Jianguo Wu Wrote: >>> On 2012/11/26 23:48, H. Peter Anvin wrote: >>> >>>> On 11/26/2012 05:15 AM, Tang Chen wrote: >>>>> >>>>> Hi Wu, >>>>> >>>>> That is really a problem. And, before numa memory got initialized, >>>>> memblock subsystem would be used to allocate memory. I didn't find any >>>>> approach that could fully address it when I making the patches. There >>>>> always be risk that memblock allocates memory on ZONE_MOVABLE. I think >>>>> we can only do our best to prevent it from happening. >>>>> >>>>> Your patch is very helpful. And after a shot look at the code, it seems >>>>> that acpi_numa_memory_affinity_init() is an architecture dependent >>>>> function. Could we do this somewhere which is not depending on the >>>>> architecture ? >>>>> >>>> >>>> The movable memory should be classified as a non-RAM type in memblock, >>>> that way we will not allocate from it early on. >>>> >>>> -hpa >>> >>> >>> yep, we can put movable memory in reserved.regions in memblock. >> >> Hmm, I don't think so. If so, memory in reserved.regions contain two type >> memory: bootmem and movable memory. We will put all pages not in reserved.regions >> into buddy system. If we put movable memory in reserved.regions, we have >> no chance to put them to buddy system, and can't use them after system boots. >> > > yes, you are right. Or we can fix movablecore_map when add memory region to memblock. If so, we should know the nodes address range... Thanks Wen Congyang >> Thanks >> Wen Congyang >> >>> >>>> >>>> >>>> . >>>> >>> >>> >>> >>> >> >> >> . >> > > > > -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@kvack.org. For more info on Linux MM, see: http://www.linux-mm.org/ . Don't email: <a href=mailto:"dont@kvack.org"> email@kvack.org </a>
next prev parent reply other threads:[~2012-11-27 3:27 UTC|newest] Thread overview: 170+ messages / expand[flat|nested] mbox.gz Atom feed top 2012-11-23 10:44 [PATCH v2 0/5] Add movablecore_map boot option Tang Chen 2012-11-23 10:44 ` Tang Chen 2012-11-23 10:44 ` [PATCH v2 1/5] x86: get pg_data_t's memory from other node Tang Chen 2012-11-23 10:44 ` Tang Chen 2012-11-24 1:19 ` Jiang Liu 2012-11-24 1:19 ` Jiang Liu 2012-11-26 1:19 ` Tang Chen 2012-11-26 1:19 ` Tang Chen 2012-12-02 15:11 ` Jiang Liu 2012-12-02 15:11 ` Jiang Liu 2012-11-23 10:44 ` [PATCH v2 2/5] page_alloc: add movable_memmap kernel parameter Tang Chen 2012-11-23 10:44 ` Tang Chen 2012-11-23 10:44 ` [PATCH v2 3/5] page_alloc: Introduce zone_movable_limit[] to keep movable limit for nodes Tang Chen 2012-11-23 10:44 ` Tang Chen 2012-12-05 15:46 ` Jiang Liu 2012-12-05 15:46 ` Jiang Liu 2012-12-06 1:20 ` Tang Chen 2012-12-06 1:20 ` Tang Chen 2012-11-23 10:44 ` [PATCH v2 4/5] page_alloc: Make movablecore_map has higher priority Tang Chen 2012-11-23 10:44 ` Tang Chen 2012-12-05 15:43 ` Jiang Liu 2012-12-05 15:43 ` Jiang Liu 2012-12-06 1:26 ` Tang Chen 2012-12-06 1:26 ` Tang Chen 2012-12-06 2:26 ` Jiang Liu 2012-12-06 2:26 ` Jiang Liu 2012-12-06 2:51 ` Jianguo Wu 2012-12-06 2:51 ` Jianguo Wu 2012-12-06 2:57 ` Tang Chen 2012-12-06 2:57 ` Tang Chen 2012-12-09 8:10 ` Tang Chen 2012-12-09 8:10 ` Tang Chen 2012-12-10 2:15 ` Jiang Liu 2012-12-10 2:15 ` Jiang Liu 2012-11-23 10:44 ` [PATCH v2 5/5] page_alloc: Bootmem limit with movablecore_map Tang Chen 2012-11-23 10:44 ` Tang Chen 2012-11-26 12:22 ` wujianguo 2012-11-26 12:22 ` wujianguo 2012-11-26 12:53 ` Tang Chen 2012-11-26 12:53 ` Tang Chen 2012-11-26 12:40 ` wujianguo 2012-11-26 12:40 ` wujianguo 2012-11-26 13:15 ` Tang Chen 2012-11-26 13:15 ` Tang Chen 2012-11-26 15:48 ` H. Peter Anvin 2012-11-26 15:48 ` H. Peter Anvin 2012-11-27 0:58 ` Jianguo Wu 2012-11-27 0:58 ` Jianguo Wu 2012-11-27 3:19 ` Wen Congyang 2012-11-27 3:19 ` Wen Congyang 2012-11-27 3:22 ` Jianguo Wu 2012-11-27 3:22 ` Jianguo Wu 2012-11-27 3:34 ` Wen Congyang [this message] 2012-11-27 3:34 ` Wen Congyang 2012-11-27 1:12 ` Jiang Liu 2012-11-27 1:12 ` Jiang Liu 2012-11-27 1:20 ` H. Peter Anvin 2012-11-27 1:20 ` H. Peter Anvin 2012-11-27 3:15 ` Wen Congyang 2012-11-27 3:15 ` Wen Congyang 2012-11-27 5:31 ` H. Peter Anvin 2012-11-27 5:31 ` H. Peter Anvin 2012-12-06 17:28 ` Jiang Liu 2012-12-06 17:28 ` Jiang Liu 2012-12-06 17:41 ` H. Peter Anvin 2012-12-06 17:41 ` H. Peter Anvin 2012-12-07 0:18 ` Jiang Liu 2012-12-07 0:18 ` Jiang Liu 2012-12-19 9:17 ` Tang Chen 2012-12-19 9:17 ` Tang Chen 2012-11-27 3:10 ` [PATCH v2 0/5] Add movablecore_map boot option wujianguo 2012-11-27 3:10 ` wujianguo 2012-11-27 5:43 ` Tang Chen 2012-11-27 5:43 ` Tang Chen 2012-11-27 6:20 ` H. Peter Anvin 2012-11-27 6:20 ` H. Peter Anvin 2012-11-27 6:47 ` Jianguo Wu 2012-11-27 6:47 ` Jianguo Wu 2012-11-28 3:47 ` Tang Chen 2012-11-28 3:47 ` Tang Chen 2012-11-28 4:01 ` Jiang Liu 2012-11-28 4:01 ` Jiang Liu 2012-11-28 5:21 ` Wen Congyang 2012-11-28 5:21 ` Wen Congyang 2012-11-28 5:17 ` Jiang Liu 2012-11-28 5:17 ` Jiang Liu 2012-11-28 4:53 ` Jianguo Wu 2012-11-28 4:53 ` Jianguo Wu 2012-11-27 8:00 ` Bob Liu 2012-11-27 8:00 ` Bob Liu 2012-11-27 8:29 ` Tang Chen 2012-11-27 8:29 ` Tang Chen 2012-11-27 8:49 ` H. Peter Anvin 2012-11-27 8:49 ` H. Peter Anvin 2012-11-27 9:47 ` Wen Congyang 2012-11-27 9:47 ` Wen Congyang 2012-11-27 9:53 ` H. Peter Anvin 2012-11-27 9:53 ` H. Peter Anvin 2012-11-27 9:59 ` Yasuaki Ishimatsu 2012-11-27 9:59 ` Yasuaki Ishimatsu 2012-11-27 12:09 ` Bob Liu 2012-11-27 12:09 ` Bob Liu 2012-11-27 12:49 ` Tang Chen 2012-11-27 12:49 ` Tang Chen 2012-11-28 3:24 ` Bob Liu 2012-11-28 3:24 ` Bob Liu 2012-11-28 4:08 ` Jiang Liu 2012-11-28 4:08 ` Jiang Liu 2012-11-28 6:16 ` Tang Chen 2012-11-28 6:16 ` Tang Chen 2012-11-28 7:03 ` Jiang Liu 2012-11-28 7:03 ` Jiang Liu 2012-11-28 8:29 ` Wen Congyang 2012-11-28 8:29 ` Wen Congyang 2012-11-28 8:28 ` Jiang Liu 2012-11-28 8:28 ` Jiang Liu 2012-11-28 8:38 ` Wen Congyang 2012-11-28 8:38 ` Wen Congyang 2012-11-29 0:43 ` Jaegeuk Hanse 2012-11-29 0:43 ` Jaegeuk Hanse 2012-11-29 1:24 ` Tang Chen 2012-11-29 1:24 ` Tang Chen 2012-11-30 9:20 ` Lai Jiangshan 2012-11-30 9:20 ` Lai Jiangshan 2012-11-28 8:47 ` Jiang Liu 2012-11-28 8:47 ` Jiang Liu 2012-11-28 21:34 ` Luck, Tony 2012-11-28 21:34 ` Luck, Tony 2012-11-28 21:38 ` H. Peter Anvin 2012-11-28 21:38 ` H. Peter Anvin 2012-11-29 11:00 ` Mel Gorman 2012-11-29 11:00 ` Mel Gorman 2012-11-29 16:07 ` H. Peter Anvin 2012-11-29 16:07 ` H. Peter Anvin 2012-11-29 22:41 ` Luck, Tony 2012-11-29 22:41 ` Luck, Tony 2012-11-29 22:45 ` H. Peter Anvin 2012-11-29 22:45 ` H. Peter Anvin 2012-11-30 2:56 ` Jiang Liu 2012-11-30 2:56 ` Jiang Liu 2012-11-30 3:15 ` Yasuaki Ishimatsu 2012-11-30 3:15 ` Yasuaki Ishimatsu 2012-11-30 15:36 ` Jiang Liu 2012-11-30 15:36 ` Jiang Liu 2012-11-30 2:58 ` Luck, Tony 2012-11-30 2:58 ` Luck, Tony 2012-11-30 3:28 ` H. Peter Anvin 2012-11-30 3:28 ` H. Peter Anvin 2012-11-30 10:19 ` Glauber Costa 2012-11-30 10:19 ` Glauber Costa 2012-11-30 10:52 ` Mel Gorman 2012-11-30 10:52 ` Mel Gorman 2012-11-29 10:38 ` Yasuaki Ishimatsu 2012-11-29 10:38 ` Yasuaki Ishimatsu 2012-11-29 11:05 ` Mel Gorman 2012-11-29 11:05 ` Mel Gorman 2012-11-29 15:47 ` Jiang Liu 2012-11-29 15:47 ` Jiang Liu 2012-11-29 15:53 ` Jiang Liu 2012-11-29 15:53 ` Jiang Liu 2012-11-29 1:42 ` Jaegeuk Hanse 2012-11-29 1:42 ` Jaegeuk Hanse 2012-11-29 2:25 ` Jiang Liu 2012-11-29 2:25 ` Jiang Liu 2012-11-29 2:49 ` Wanpeng Li 2012-11-29 2:49 ` Wanpeng Li 2012-11-29 2:59 ` Jiang Liu 2012-11-29 2:59 ` Jiang Liu 2012-11-30 22:27 ` Toshi Kani 2012-11-30 22:27 ` Toshi Kani
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