Messages in this thread | | | Date | Wed, 30 Nov 2005 15:36:21 +0800 | From | Hua Feijun <> | Subject | why does the function page_to_nid always return zero? |
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Hi everybody: Tthe following code deoes not work under linux/em64t, and the function page_to_nid always return zero.Who can tell me the answer to the problem? Any advice will be appreciated sincerely.Thanks!!!
pgd = pgd_offset(mm, vaddr); if (pgd == NULL) { return -1; } pmd = pmd_offset(pgd, vaddr); if (pmd == NULL) { return -2; } pte = pte_offset_map(pmd, vaddr); PDEBUG("pte=%ul\n", pte->pte); if (pte == NULL) { return -3; } return page_to_nid (page); if (pte_present(*pte) == NULL) { return -4; } page = pte_page(*pte); pte_unmap(pte);
return page_to_nid(page); - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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