On Wed, 9 Jan 2013 17:32:28 +0800
Tang Chen <tangchen@xxxxxxxxxxxxxx> wrote:
> When (hot)adding memory into system, /sys/firmware/memmap/X/{end, start, type}
> sysfs files are created. But there is no code to remove these files. The patch
> implements the function to remove them.
>
> Note: The code does not free firmware_map_entry which is allocated by bootmem.
> So the patch makes memory leak. But I think the memory leak size is
> very samll. And it does not affect the system.
Well that's bad. Can we remember the address of that memory and then
reuse the storage if/when the memory is re-added? That at least puts an upper
bound on the leak.
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