Re: [PATCH 1/1] memblock, memhotplug: Fix wrong type in memblock_find_in_range_node().

[Andrew Morton]

On Sun, 10 Aug 2014 14:12:03 +0800 Tang Chen <tangchen@xxxxxxxxxxxxxx> 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?
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/