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Date: Thu, 4 Jun 2015 20:56:44 +0800 From: Xishi Qiu <qiuxishi@...wei.com> To: Xishi Qiu <qiuxishi@...wei.com>, Andrew Morton <akpm@...ux-foundation.org>, <nao.horiguchi@...il.com>, Yinghai Lu <yinghai@...nel.org>, "H. Peter Anvin" <hpa@...or.com>, Thomas Gleixner <tglx@...utronix.de>, <mingo@...e.hu>, Xiexiuqi <xiexiuqi@...wei.com>, Hanjun Guo <guohanjun@...wei.com>, "Luck, Tony" <tony.luck@...el.com> CC: Linux MM <linux-mm@...ck.org>, LKML <linux-kernel@...r.kernel.org> Subject: [RFC PATCH 01/12] mm: add a new config to manage the code This patch introduces a new config called "CONFIG_ACPI_MIRROR_MEMORY", it is used to on/off the feature. Signed-off-by: Xishi Qiu <qiuxishi@...wei.com> --- mm/Kconfig | 8 ++++++++ 1 file changed, 8 insertions(+) diff --git a/mm/Kconfig b/mm/Kconfig index 390214d..4f2a726 100644 --- a/mm/Kconfig +++ b/mm/Kconfig @@ -200,6 +200,14 @@ config MEMORY_HOTREMOVE depends on MEMORY_HOTPLUG && ARCH_ENABLE_MEMORY_HOTREMOVE depends on MIGRATION +config MEMORY_MIRROR + bool "Address range mirroring support" + depends on X86 && NUMA + default y + help + This feature depends on hardware and firmware support. + ACPI or EFI records the mirror info. + # # If we have space for more page flags then we can enable additional # optimizations and functionality. -- 2.0.0 -- 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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