[PATCH 08/12] kexec: don't invoke OOM-killer for control page allocation

[Pratyush Anand]

On Thu, Apr 28, 2016 at 2:58 PM, Russell King
<rmk+kernel at arm.linux.org.uk> wrote:
> 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 at arm.linux.org.uk>
> ---
>  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

Reviewed-by: Pratyush Anand <panand at redhat.com>