From: Amerigo Wang <amwang@redhat.com>
To: linux-kernel@vger.kernel.org
Cc: tony.luck@intel.com, linux-ia64@vger.kernel.org,
Neil Horman <nhorman@redhat.com>,
"Eric W. Biederman" <ebiederm@xmission.com>,
Andi Kleen <andi@firstfloor.org>,
Amerigo Wang <amwang@redhat.com>,
akpm@linux-foundation.org, Fenghua Yu <fenghua.yu@intel.com>,
Ingo Molnar <mingo@elte.hu>,
Anton Vorontsov <avorontsov@ru.mvista.com>
Subject: [Patch 3/7] ia64: add CONFIG_KEXEC_AUTO_RESERVE
Date: Thu, 6 Aug 2009 02:19:39 -0400 [thread overview]
Message-ID: <20090806062200.5578.51408.sendpatchset@localhost.localdomain> (raw)
In-Reply-To: <20090806062125.5578.72123.sendpatchset@localhost.localdomain>
Introduce a new config option KEXEC_AUTO_RESERVE for ia64.
Signed-off-by: WANG Cong <amwang@redhat.com>
Acked-by: Neil Horman <nhorman@tuxdriver.com>
---
Index: linux-2.6/arch/ia64/Kconfig
===================================================================
--- linux-2.6.orig/arch/ia64/Kconfig
+++ linux-2.6/arch/ia64/Kconfig
@@ -582,6 +582,16 @@ config KEXEC
support. As of this writing the exact hardware interface is
strongly in flux, so no good recommendation can be made.
+config KEXEC_AUTO_RESERVE
+ bool "automatically reserve memory for kexec kernel"
+ depends on KEXEC
+ default y
+ ---help---
+ Automatically reserve memory for a kexec kernel, so that you don't
+ need to specify numbers for the "crashkernel=X@Y" boot option,
+ instead you can use "crashkernel=auto".
+ On IA64, 256M is reserved and only when you have memory > 4G.
+
config CRASH_DUMP
bool "kernel crash dumps"
depends on IA64_MCA_RECOVERY && !IA64_HP_SIM && (!SMP || HOTPLUG_CPU)
next prev parent reply other threads:[~2009-08-06 6:20 UTC|newest]
Thread overview: 14+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-08-06 6:19 [Patch 0/7] V2 Implement crashkernel=auto Amerigo Wang
2009-08-06 6:19 ` [Patch 1/7] x86: add CONFIG_KEXEC_AUTO_RESERVE Amerigo Wang
2009-08-06 6:19 ` [Patch 2/7] x86: implement crashkernel=auto Amerigo Wang
2009-08-06 6:19 ` Amerigo Wang [this message]
2009-08-06 6:19 ` [Patch 4/7] ia64: " Amerigo Wang
2009-08-07 19:05 ` Bernhard Walle
2009-08-10 3:02 ` Amerigo Wang
2009-08-07 19:15 ` Bernhard Walle
2009-08-07 19:16 ` Bernhard Walle
2009-08-06 6:20 ` [Patch 5/7] powerpc: add CONFIG_KEXEC_AUTO_RESERVE Amerigo Wang
2009-08-06 6:20 ` [Patch 6/7] powerpc: implement crashkernel=auto Amerigo Wang
2009-08-06 6:20 ` [Patch 7/7] doc: update the kdump document Amerigo Wang
-- strict thread matches above, loose matches on Subject: below --
2009-08-05 11:19 [Patch 0/7] Implement crashkernel=auto Amerigo Wang
2009-08-05 11:19 ` [Patch 3/7] ia64: add CONFIG_KEXEC_AUTO_RESERVE Amerigo Wang
2009-08-05 13:49 ` Neil Horman
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