linux-kernel - [RFC 3/4] Adding a new kernel configuration to enable the feature

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Date:	Fri, 12 Aug 2016 19:55:50 +0530
From:	Ronit Halder <ronit.crj@...il.com>
To:	linux-kernel@...r.kernel.org
Cc:	tglx@...utronix.de, mingo@...hat.com, hpa@...or.com, bp@...e.de,
	dyoung@...hat.com, jroedel@...e.de, krzysiek@...lesie.net,
	msalter@...hat.com, ebiederm@...ssion.com,
	akpm@...ux-foundation.org, bhe@...hat.com, vgoyal@...hat.com,
	mnfhuang@...il.com, kexec@...ts.infradead.org,
	kirill.shutemov@...ux.intel.com, mchehab@....samsung.com,
	aarcange@...hat.com, vdavydov@...allels.com,
	dan.j.williams@...el.com, jack@...e.cz, linux-mm@...ck.org,
	Ronit Halder <ronit.crj@...il.com>
Subject: [RFC 3/4] Adding a new kernel configuration to enable the feature

Kernel configuration option added to enable run time memory reservation
feature for kexec.

Signed-off-by: Ronit Halder <ronit.crj@...il.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