Messages in this thread | | | Date | Tue, 12 Aug 2014 15:03:04 -0700 | From | Andrew Morton <> | Subject | Re: [PATCH 1/1] memblock, memhotplug: Fix wrong type in memblock_find_in_range_node(). |
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On Sun, 10 Aug 2014 14:12:03 +0800 Tang Chen <tangchen@cn.fujitsu.com> 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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