On Wed, 2007-10-31 at 08:49 -0800, Badari Pulavarty wrote:
> +#ifdef CONFIG_MEMORY_HOTREMOVE
> +int remove_memory(u64 start, u64 size)
> +{
> + unsigned long start_pfn, end_pfn;
> + unsigned long timeout = 120 * HZ;
> + int ret;
> + start_pfn = start >> PAGE_SHIFT;
> + end_pfn = start_pfn + (size >> PAGE_SHIFT);
> + ret = offline_pages(start_pfn, end_pfn, timeout);
> + return ret;
> +}
> +EXPORT_SYMBOL_GPL(remove_memory);
> +#endif /* CONFIG_MEMORY_HOTREMOVE */
Did someone go and copy the ia64 verion? Tsk. Tsk. Bad Badari. :)
Can we just make this a weak symbol in the generic mm/memory_hotplug.c?
Or, make this the generic memory_remove() function int there and have an
arch_remove_memory() hook called from there if the architectures need to
tweak it?
-- Dave
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