>> + pfn = page_to_pfn(page); >> + if (pfn >= end_pfn) >> + return false; >> + if (pfn >= start_pfn) >> + goto found;
On Thu, Sep 06 2012, Lai Jiangshan wrote:
> this test is wrong.
>
> use this:
>
> if ((pfn <= start_pfn) && (start_pfn < pfn + (1UL << page_order(page))))
> goto found;
>
> if (pfn > start_pfn)
> return false;
if (pfn > start_pfn)
return false;
if (pfn + (1UL << page_order(page)) > start_pfn)
goto found;
>> + }
>> + return false;
>> +
>> + list_for_each_entry_continue(page, &isolated_pages, lru) {
>> + if (page_to_pfn(page) != next_pfn)
>> + return false;
--
Best regards, _ _
.o. | Liege of Serenely Enlightened Majesty of o' \,=./ `o
..o | Computer Science, Michał “mina86” Nazarewicz (o o)
ooo +----<email/xmpp: m...@google.com>--------------ooO--(_)--Ooo--
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