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Date:	Tue, 12 Aug 2014 15:03:04 -0700
From:	Andrew Morton <>
To:	Tang Chen <>
Cc:	<>, <>,
	<>, <>,
	<>, <>,
	<>, <>
Subject: Re: [PATCH 1/1] memblock, memhotplug: Fix wrong type in

On Sun, 10 Aug 2014 14:12:03 +0800 Tang Chen <> wrote:

> In memblock_find_in_range_node(), we defeind ret as int. But it shoule
> be phys_addr_t because it is used to store the return value from
> __memblock_find_range_bottom_up().
> The bug has not been triggered because when allocating low memory near
> the kernel end, the "int ret" won't turn out to be minus. When we started
> to allocate memory on other nodes, and the "int ret" could be minus.
> Then the kernel will panic.
> A simple way to reproduce this: comment out the following code in numa_init(),
>         memblock_set_bottom_up(false);
> and the kernel won't boot.

Which kernel versions need this fix?
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