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From: Xishi Qiu <qiuxishi@huawei.com>
To: Andrew Morton <akpm@linux-foundation.org>,
	"H. Peter Anvin" <hpa@zytor.com>, Ingo Molnar <mingo@kernel.org>,
	"Luck, Tony" <tony.luck@intel.com>,
	Hanjun Guo <guohanjun@huawei.com>, Xiexiuqi <xiexiuqi@huawei.com>,
	leon@leon.nu, Kamezawa Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>,
	Dave Hansen <dave.hansen@intel.com>,
	Naoya Horiguchi <n-horiguchi@ah.jp.nec.com>,
	Vlastimil Babka <vbabka@suse.cz>, Mel Gorman <mgorman@suse.de>
Cc: Xishi Qiu <qiuxishi@huawei.com>, Linux MM <linux-mm@kvack.org>,
	LKML <linux-kernel@vger.kernel.org>
Subject: [RFC v2 PATCH 1/8] mm: add a new config to manage the code
Date: Sat, 27 Jun 2015 10:23:15 +0800	[thread overview]
Message-ID: <558E0913.7020501@huawei.com> (raw)
In-Reply-To: <558E084A.60900@huawei.com>

This patch introduces a new config called "CONFIG_ACPI_MIRROR_MEMORY", set it
off by default.

Signed-off-by: Xishi Qiu <qiuxishi@huawei.com>
---
 mm/Kconfig | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/mm/Kconfig b/mm/Kconfig
index 390214d..c40bb8b 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 && MEMORY_FAILURE
+	default n
+	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


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  reply	other threads:[~2015-06-27  2:38 UTC|newest]

Thread overview: 29+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2015-06-27  2:19 [RFC v2 PATCH 0/8] mm: mirrored memory support for page buddy allocations Xishi Qiu
2015-06-27  2:23 ` Xishi Qiu [this message]
2015-06-29  6:50   ` [RFC v2 PATCH 1/8] mm: add a new config to manage the code Kamezawa Hiroyuki
2015-06-30  2:52     ` Xishi Qiu
2015-06-27  2:24 ` [RFC v2 PATCH 2/8] mm: introduce MIGRATE_MIRROR to manage the mirrored pages Xishi Qiu
2015-06-29  7:32   ` Kamezawa Hiroyuki
2015-06-30  2:45     ` Xishi Qiu
2015-06-30  7:53       ` Kamezawa Hiroyuki
2015-06-30  9:22         ` Xishi Qiu
2015-06-27  2:24 ` [RFC v2 PATCH 3/8] mm: find mirrored memory in memblock Xishi Qiu
2015-06-27  2:25 ` [RFC v2 PATCH 4/8] mm: add mirrored memory to buddy system Xishi Qiu
2015-06-29  7:39   ` Kamezawa Hiroyuki
2015-06-27  2:26 ` [RFC v2 PATCH 5/8] mm: introduce a new zone_stat_item NR_FREE_MIRROR_PAGES Xishi Qiu
2015-06-27  2:27 ` [RFC v2 PATCH 6/8] mm: add free mirrored pages info Xishi Qiu
2015-06-27  2:27 ` [RFC v2 PATCH 7/8] mm: add the buddy system interface Xishi Qiu
2015-06-29 23:11   ` Luck, Tony
2015-06-30  1:01     ` Kamezawa Hiroyuki
2015-06-30  1:31       ` Xishi Qiu
2015-06-30  2:01         ` Kamezawa Hiroyuki
2015-06-27  2:28 ` [RFC v2 PATCH 8/8] mm: add the PCP interface Xishi Qiu
2015-06-29 15:19 ` [RFC v2 PATCH 0/8] mm: mirrored memory support for page buddy allocations Dave Hansen
2015-06-30  1:26   ` Xishi Qiu
2015-06-30  1:52     ` Dave Hansen
2015-06-30  2:48       ` Xishi Qiu
2015-06-30  9:41 ` Mel Gorman
2015-06-30 10:46   ` Ingo Molnar
2015-06-30 11:53     ` Mel Gorman
2015-06-30 18:12       ` Luck, Tony
2015-07-13  4:56       ` Xishi Qiu

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