x86: change 64-bit __change_page_attr() to struct page

Signed-off-by: NIngo Molnar <mingo@elte.hu>
Signed-off-by: NThomas Gleixner <tglx@linutronix.de>

arch/x86/mm/pageattr_64.c

@@ -67,7 +67,7 @@ split_large_page(unsigned long address, pgprot_t ref_prot)
 }
 
 static int
-__change_page_attr(unsigned long address, unsigned long pfn, pgprot_t prot)
+__change_page_attr(unsigned long address, struct page *page, pgprot_t prot)
 {
 	struct page *kpte_page;
 	pte_t *kpte;
@@ -86,7 +86,7 @@ __change_page_attr(unsigned long address, unsigned long pfn, pgprot_t prot)
 	prot = canon_pgprot(prot);
 
 	if (level == 4) {
-		set_pte(kpte, pfn_pte(pfn, prot));
+		set_pte(kpte, mk_pte(page, prot));
 	} else {
 		/*
 		 * split_large_page will take the reference for this
@@ -135,7 +135,7 @@ int change_page_attr_addr(unsigned long address, int numpages, pgprot_t prot)
 		unsigned long pfn = __pa(address) >> PAGE_SHIFT;
 
 		if (!kernel_map || pte_present(pfn_pte(0, prot))) {
-			err = __change_page_attr(address, pfn, prot);
+			err = __change_page_attr(address, pfn_to_page(pfn), prot);
 			if (err)
 				break;
 		}
@@ -148,7 +148,7 @@ int change_page_attr_addr(unsigned long address, int numpages, pgprot_t prot)
 			addr2 = __START_KERNEL_map + __pa(address);
 			/* Make sure the kernel mappings stay executable */
 			prot2 = pte_pgprot(pte_mkexec(pfn_pte(0, prot)));
-			err = __change_page_attr(addr2, pfn, prot2);
+			err = __change_page_attr(addr2, pfn_to_page(pfn), prot2);
 		}
 	}
 	up_write(&init_mm.mmap_sem);