From: Ronit Halder <ronit.crj@gmail.com>
To: linux-kernel@vger.kernel.org
Cc: tglx@linutronix.de, mingo@redhat.com, hpa@zytor.com, bp@suse.de,
dyoung@redhat.com, jroedel@suse.de, krzysiek@podlesie.net,
msalter@redhat.com, ebiederm@xmission.com,
akpm@linux-foundation.org, bhe@redhat.com, vgoyal@redhat.com,
mnfhuang@gmail.com, kexec@lists.infradead.org,
kirill.shutemov@linux.intel.com, mchehab@osg.samsung.com,
aarcange@redhat.com, vdavydov@parallels.com,
dan.j.williams@intel.com, jack@suse.cz, linux-mm@kvack.org,
Ronit Halder <ronit.crj@gmail.com>
Subject: [RFC 3/4] Adding a new kernel configuration to enable the feature
Date: Fri, 12 Aug 2016 19:55:50 +0530 [thread overview]
Message-ID: <20160812142550.6231-1-ronit.crj@gmail.com> (raw)
In-Reply-To: <20160812141838.5973-1-ronit.crj@gmail.com>
Kernel configuration option added to enable run time memory reservation
feature for kexec.
Signed-off-by: Ronit Halder <ronit.crj@gmail.com>
---
mm/Kconfig | 6 ++++++
1 file changed, 6 insertions(+)
diff --git a/mm/Kconfig b/mm/Kconfig
index 97a4e06..8b1533d 100644
--- a/mm/Kconfig
+++ b/mm/Kconfig
@@ -668,3 +668,9 @@ config ZONE_DEVICE
config FRAME_VECTOR
bool
+config KEXEC_CMA
+ bool "Use CMA for Kexec crash kernel"
+ depends on CMA
+ help
+ This configuration option is to use CMA for Kexec.
+ CMA helps us to allocate memory for crash kernel at runtime.
\ No newline at end of file
--
2.9.0.GIT
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next prev parent reply other threads:[~2016-08-12 14:26 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-08-12 14:18 [RFC 0/4] Kexec: Enable run time memory resrvation of crash kernel Ronit Halder
2016-08-12 14:20 ` [RFC 1/4] Creating one or two CMA area at Boot time Ronit Halder
2016-08-12 14:21 ` [RFC 2/4] Functions for memory reservation and release Ronit Halder
2016-08-12 14:25 ` Ronit Halder [this message]
2016-08-12 14:26 ` [RFC 4/4] Enable memory allocation through sysfs interface Ronit Halder
2016-08-22 10:59 ` [RFC 0/4] Kexec: Enable run time memory resrvation of crash kernel Pratyush Anand
2016-08-23 7:08 ` Xunlei Pang
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