Re: [PATCH v6 05/15] memory-hotplug: introduce new function arch_remove_memory()for removing page table depends on architecture
From: Tang Chen
Date: Wed Jan 09 2013 - 21:26:31 EST
Hi Andrew,
On 01/10/2013 06:50 AM, Andrew Morton wrote:
On Wed, 9 Jan 2013 17:32:29 +0800
Tang Chen<tangchen@xxxxxxxxxxxxxx> wrote:
For removing memory, we need to remove page table. But it depends
on architecture. So the patch introduce arch_remove_memory() for
removing page table. Now it only calls __remove_pages().
Note: __remove_pages() for some archtecuture is not implemented
(I don't know how to implement it for s390).
Can this break the build for s390?
No, I don't think so. The arch_remove_memory() in s390 will only
return -EBUSY.
Thanks. :)
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