[PATCH 08/12] kexec: don't invoke OOM-killer for control page allocation
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- To: linux-arm-kernel@xxxxxxxxxxxxxxxxxxx
- Subject: [PATCH 08/12] kexec: don't invoke OOM-killer for control page allocation
- From: Russell King <rmk+kernel@xxxxxxxxxxxxxxxx>
- Date: Thu, 28 Apr 2016 10:28:24 +0100
- Cc: devicetree@xxxxxxxxxxxxxxx, Eric Biederman <ebiederm@xxxxxxxxxxxx>, Fenghua Yu <fenghua.yu@xxxxxxxxx>, Haren Myneni <hbabu@xxxxxxxxxx>, Ian Campbell <ijc+devicetree@xxxxxxxxxxxxxx>, Jonathan Corbet <corbet@xxxxxxx>, kexec@xxxxxxxxxxxxxxxxxxx, Kumar Gala <galak@xxxxxxxxxxxxxx>, linux-doc@xxxxxxxxxxxxxxx, linux-ia64@xxxxxxxxxxxxxxx, Mark Rutland <mark.rutland@xxxxxxx>, Pawel Moll <pawel.moll@xxxxxxx>, Rob Herring <robh+dt@xxxxxxxxxx>, Santosh Shilimkar <ssantosh@xxxxxxxxxx>, Tony Luck <tony.luck@xxxxxxxxx>, Vivek Goyal <vgoyal@xxxxxxxxxx>
- In-reply-to: <20160428092644.GX19428@n2100.arm.linux.org.uk>
- List-id: <linux-ia64.vger.kernel.org>
- References: <20160428092644.GX19428@n2100.arm.linux.org.uk>
If we are unable to find a suitable page when allocating the control
page, do not invoke the OOM-killer: killing processes probably isn't
going to help.
Signed-off-by: Russell King <rmk+kernel@xxxxxxxxxxxxxxxx>
---
include/linux/kexec.h | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/include/linux/kexec.h b/include/linux/kexec.h
index 2cc643c6e870..1b32ab587f66 100644
--- a/include/linux/kexec.h
+++ b/include/linux/kexec.h
@@ -41,7 +41,7 @@
#endif
#ifndef KEXEC_CONTROL_MEMORY_GFP
-#define KEXEC_CONTROL_MEMORY_GFP GFP_KERNEL
+#define KEXEC_CONTROL_MEMORY_GFP (GFP_KERNEL | __GFP_NORETRY)
#endif
#ifndef KEXEC_CONTROL_PAGE_SIZE
--
2.1.0
--
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