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kexec: don't invoke OOM-killer for control page allocation
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. Link: http://lkml.kernel.org/r/E1b8ko9-0004HG-R5@rmk-PC.armlinux.org.uk Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk> Reviewed-by: Pratyush Anand <panand@redhat.com> Acked-by: Baoquan He <bhe@redhat.com> Cc: Keerthy <j-keerthy@ti.com> Cc: Vitaly Andrianov <vitalya@ti.com> Cc: Eric Biederman <ebiederm@xmission.com> Cc: Dave Young <dyoung@redhat.com> Cc: Vivek Goyal <vgoyal@redhat.com> Cc: Simon Horman <horms@verge.net.au> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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#endif
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#endif
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#ifndef KEXEC_CONTROL_MEMORY_GFP
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#ifndef KEXEC_CONTROL_MEMORY_GFP
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#define KEXEC_CONTROL_MEMORY_GFP GFP_KERNEL
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#define KEXEC_CONTROL_MEMORY_GFP (GFP_KERNEL | __GFP_NORETRY)
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#endif
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#endif
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#ifndef KEXEC_CONTROL_PAGE_SIZE
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#ifndef KEXEC_CONTROL_PAGE_SIZE
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