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Groups > linux.kernel > #1205510
| From | Wanpeng Li <wanpeng.li@hotmail.com> |
|---|---|
| Newsgroups | linux.kernel |
| Subject | Re: [PATCH v2 3/5] mm/hwpoison: introduce put_hwpoison_page to put refcount for memory error handling |
| Date | 2015-08-12 02:00 +0200 |
| Message-ID | <pWrCx-3Fa-3@gated-at.bofh.it> (permalink) |
| References | <pVTUe-5qn-17@gated-at.bofh.it> <pVTUf-5qn-25@gated-at.bofh.it> <pWr9w-37t-3@gated-at.bofh.it> |
| Organization | linux.* mail to news gateway |
On 8/12/15 7:24 AM, Andrew Morton wrote:
> On Mon, 10 Aug 2015 19:28:21 +0800 Wanpeng Li <wanpeng.li@hotmail.com> wrote:
>
>> Introduce put_hwpoison_page to put refcount for memory
>> error handling.
>>
>> ...
>>
>> --- a/mm/memory-failure.c
>> +++ b/mm/memory-failure.c
>> @@ -922,6 +922,27 @@ int get_hwpoison_page(struct page *page)
>> }
>> EXPORT_SYMBOL_GPL(get_hwpoison_page);
>>
>> +/**
>> + * put_hwpoison_page() - Put refcount for memory error handling:
>> + * @page: raw error page (hit by memory error)
>> + */
>> +void put_hwpoison_page(struct page *page)
>> +{
>> + struct page *head = compound_head(page);
>> +
>> + if (PageHuge(head)) {
>> + put_page(head);
>> + return;
>> + }
>> +
>> + if (PageTransHuge(head))
>> + if (page != head)
>> + put_page(head);
>> +
>> + put_page(page);
>> +}
>> +EXPORT_SYMBOL_GPL(put_hwpoison_page);
> I don't believe the export is needed?
Indeed, thanks for your fix. :-)
Regards,
Wanpeng Li
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[PATCH v2 3/5] mm/hwpoison: introduce put_hwpoison_page to put refcount for memory error handling Wanpeng Li <wanpeng.li@hotmail.com> - 2015-08-10 14:00 +0200
Re: [PATCH v2 3/5] mm/hwpoison: introduce put_hwpoison_page to put refcount for memory error handling Andrew Morton <akpm@linux-foundation.org> - 2015-08-12 01:30 +0200
Re: [PATCH v2 3/5] mm/hwpoison: introduce put_hwpoison_page to put refcount for memory error handling Wanpeng Li <wanpeng.li@hotmail.com> - 2015-08-12 02:00 +0200
Re: [PATCH v2 3/5] mm/hwpoison: introduce put_hwpoison_page to put refcount for memory error handling Wanpeng Li <wanpeng.li@hotmail.com> - 2015-08-12 04:40 +0200
Re: [PATCH v2 3/5] mm/hwpoison: introduce put_hwpoison_page to put refcount for memory error handling Naoya Horiguchi <n-horiguchi@ah.jp.nec.com> - 2015-08-12 11:00 +0200
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