From: Toshi Kani <toshi.kani@hp.com>
To: Zhang Yanfei <zhangyanfei.yes@gmail.com>
Cc: Tejun Heo <tj@kernel.org>, Tang Chen <tangchen@cn.fujitsu.com>,
konrad.wilk@oracle.com, robert.moore@intel.com,
lv.zheng@intel.com, rjw@sisk.pl, lenb@kernel.org,
tglx@linutronix.de, mingo@elte.hu, hpa@zytor.com,
akpm@linux-foundation.org, trenn@suse.de, yinghai@kernel.org,
jiang.liu@huawei.com, wency@cn.fujitsu.com, laijs@cn.fujitsu.com,
isimatu.yasuaki@jp.fujitsu.com, izumi.taku@jp.fujitsu.com,
mgorman@suse.de, minchan@kernel.org, mina86@mina86.com,
gong.chen@linux.intel.com, vasilis.liaskovitis@profitbricks.com,
lwoodman@redhat.com, riel@redhat.com, jweiner@redhat.com,
prarit@redhat.com, zhangyanfei@cn.fujitsu.com,
yanghy@cn.fujitsu.com, x86@kernel.org, linux-doc@vger.kernel.org,
linux-kernel@vger.kernel.org, linux-mm@kvack.org,
linux-acpi@vger.kernel.org
Subject: Re: [PATCH 0/8] x86, acpi: Move acpi_initrd_override() earlier.
Date: Fri, 23 Aug 2013 12:29:03 -0600 [thread overview]
Message-ID: <1377282543.10300.820.camel@misato.fc.hp.com> (raw)
In-Reply-To: <521793BB.9080605@gmail.com>
Hello Zhang,
On Sat, 2013-08-24 at 00:54 +0800, Zhang Yanfei wrote:
> > Tang, what do you think? Are you OK to try Tejun's suggestion as well?
> >
>
> By saying TJ's suggestion, you mean, we will let memblock to control the
> behaviour, that said, we will do early allocations near the kernel image
> range before we get the SRAT info?
Right.
> If so, yeah, we have been working on this direction.
Great!
> By doing this, we may
> have two main changes:
>
> 1. change some of memblock's APIs to make it have the ability to allocate
> memory from low address.
> 2. setup kernel page table down-top. Concretely, we first map the memory
> just after the kernel image to the top, then, we map 0 - kernel image end.
>
> Do you guys think this is reasonable and acceptable?
Have you also looked at Yinghai's comments below?
http://www.spinics.net/lists/linux-mm/msg61362.html
Thanks,
-Toshi
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next prev parent reply other threads:[~2013-08-23 18:30 UTC|newest]
Thread overview: 53+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-08-21 10:15 Tang Chen
2013-08-21 10:15 ` [PATCH 1/8] x86: Make get_ramdisk_{image|size}() global Tang Chen
2013-08-21 10:15 ` [PATCH 2/8] x86, microcode: Use get_ramdisk_{image|size}() in microcode handling Tang Chen
2013-08-21 10:15 ` [PATCH 3/8] x86, acpi: Move table_sigs[] to stack Tang Chen
2013-08-21 10:15 ` [PATCH 4/8] x86, acpi, brk: Extend BRK 256KB to store acpi override tables Tang Chen
2013-08-21 10:15 ` [PATCH 5/8] x86, brk: Make extend_brk() available with va/pa Tang Chen
2013-08-21 12:26 ` Konrad Rzeszutek Wilk
2013-08-21 12:35 ` H. Peter Anvin
2013-08-21 14:42 ` Konrad Rzeszutek Wilk
2013-08-21 15:04 ` H. Peter Anvin
2013-08-21 10:15 ` [PATCH 6/8] x86, acpi: Make acpi_initrd_override() available with va or pa Tang Chen
2013-08-21 10:15 ` [PATCH 7/8] x86, acpi, brk: Make early_alloc_acpi_override_tables_buf() available with va/pa Tang Chen
2013-08-21 10:15 ` [PATCH 8/8] x86, acpi: Do acpi_initrd_override() earlier in head_32.S/head64.c Tang Chen
2013-08-21 10:42 ` [PATCH 0/8] x86, acpi: Move acpi_initrd_override() earlier Tang Chen
2013-08-21 13:06 ` Tejun Heo
2013-08-21 15:00 ` Zhang Yanfei
2013-08-21 15:36 ` Tejun Heo
2013-08-21 19:31 ` Toshi Kani
2013-08-21 19:54 ` Tejun Heo
2013-08-21 20:29 ` Toshi Kani
2013-08-21 20:40 ` Tejun Heo
2013-08-21 22:36 ` Toshi Kani
2013-08-22 3:32 ` Tejun Heo
2013-08-22 15:52 ` Toshi Kani
2013-08-22 18:31 ` Tejun Heo
2013-08-22 19:39 ` Zhang Yanfei
2013-08-22 19:45 ` Tejun Heo
2013-08-22 20:11 ` Toshi Kani
2013-08-22 20:21 ` Tejun Heo
2013-08-22 20:35 ` Tejun Heo
2013-08-22 21:06 ` Toshi Kani
2013-08-22 21:21 ` Tejun Heo
2013-08-22 22:17 ` Toshi Kani
2013-08-23 13:04 ` Tejun Heo
2013-08-23 13:08 ` H. Peter Anvin
2013-08-23 14:19 ` Tejun Heo
2013-08-23 14:24 ` H. Peter Anvin
2013-08-23 14:35 ` Tejun Heo
2013-08-23 14:57 ` Tejun Heo
2013-08-23 16:14 ` Toshi Kani
2013-08-23 16:24 ` Tejun Heo
2013-08-23 17:13 ` Toshi Kani
2013-08-23 17:29 ` Zhang Yanfei
2013-08-23 16:54 ` Zhang Yanfei
2013-08-23 18:18 ` Yinghai Lu
2013-08-23 18:25 ` H. Peter Anvin
2013-08-23 20:33 ` chen tang
2013-08-23 21:08 ` Yinghai Lu
2013-08-23 22:27 ` chen tang
2013-08-23 18:29 ` Toshi Kani [this message]
2013-08-23 21:37 ` chen tang
2013-08-23 21:52 ` Tejun Heo
2013-08-23 23:56 ` chen tang
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