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Re: [Xen-devel] [PATCH v2 06/21] memblock: memblock_phys_alloc_try_nid(): don't panic
- To: Mike Rapoport <rppt@xxxxxxxxxxxxx>, linux-mm@xxxxxxxxx
- From: Michael Ellerman <mpe@xxxxxxxxxxxxxx>
- Date: Tue, 29 Jan 2019 20:56:54 +1100
- Cc: Rich Felker <dalias@xxxxxxxx>, linux-ia64@xxxxxxxxxxxxxxx, devicetree@xxxxxxxxxxxxxxx, Catalin Marinas <catalin.marinas@xxxxxxx>, Heiko Carstens <heiko.carstens@xxxxxxxxxx>, x86@xxxxxxxxxx, linux-mips@xxxxxxxxxxxxxxx, Max Filippov <jcmvbkbc@xxxxxxxxx>, Guo Ren <guoren@xxxxxxxxxx>, sparclinux@xxxxxxxxxxxxxxx, Christoph Hellwig <hch@xxxxxx>, linux-s390@xxxxxxxxxxxxxxx, linux-c6x-dev@xxxxxxxxxxxxx, Yoshinori Sato <ysato@xxxxxxxxxxxxxxxxxxxx>, Richard Weinberger <richard@xxxxxx>, linux-sh@xxxxxxxxxxxxxxx, Russell King <linux@xxxxxxxxxxxxxxx>, kasan-dev@xxxxxxxxxxxxxxxx, Mike Rapoport <rppt@xxxxxxxxxxxxx>, Geert Uytterhoeven <geert@xxxxxxxxxxxxxx>, Mark Salter <msalter@xxxxxxxxxx>, Dennis Zhou <dennis@xxxxxxxxxx>, Matt Turner <mattst88@xxxxxxxxx>, linux-snps-arc@xxxxxxxxxxxxxxxxxxx, uclinux-h8-devel@xxxxxxxxxxxxxxxxxxxx, Petr Mladek <pmladek@xxxxxxxx>, linux-xtensa@xxxxxxxxxxxxxxxx, linux-alpha@xxxxxxxxxxxxxxx, linux-um@xxxxxxxxxxxxxxxxxxx, linux-m68k@xxxxxxxxxxxxxxxxxxxx, Rob Herring <robh+dt@xxxxxxxxxx>, Greentime Hu <green.hu@xxxxxxxxx>, xen-devel@xxxxxxxxxxxxxxxxxxxx, Stafford Horne <shorne@xxxxxxxxx>, Guan Xuetao <gxt@xxxxxxxxxx>, linux-arm-kernel@xxxxxxxxxxxxxxxxxxx, Michal Simek <monstr@xxxxxxxxx>, Tony Luck <tony.luck@xxxxxxxxx>, Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>, linux-usb@xxxxxxxxxxxxxxx, linux-kernel@xxxxxxxxxxxxxxx, Paul Burton <paul.burton@xxxxxxxx>, openrisc@xxxxxxxxxxxxxxxxxxxx, Vineet Gupta <vgupta@xxxxxxxxxxxx>, Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>, linuxppc-dev@xxxxxxxxxxxxxxxx, "David S. Miller" <davem@xxxxxxxxxxxxx>
- Delivery-date: Tue, 29 Jan 2019 09:57:07 +0000
- List-id: Xen developer discussion <xen-devel.lists.xenproject.org>
Mike Rapoport <rppt@xxxxxxxxxxxxx> writes:
> diff --git a/arch/arm64/mm/numa.c b/arch/arm64/mm/numa.c
> index ae34e3a..2c61ea4 100644
> --- a/arch/arm64/mm/numa.c
> +++ b/arch/arm64/mm/numa.c
> @@ -237,6 +237,10 @@ static void __init setup_node_data(int nid, u64
> start_pfn, u64 end_pfn)
> pr_info("Initmem setup node %d [<memory-less node>]\n", nid);
>
> nd_pa = memblock_phys_alloc_try_nid(nd_size, SMP_CACHE_BYTES, nid);
> + if (!nd_pa)
> + panic("Cannot allocate %zu bytes for node %d data\n",
> + nd_size, nid);
> +
> nd = __va(nd_pa);
Acked-by: Michael Ellerman <mpe@xxxxxxxxxxxxxx> (powerpc)
cheers
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