diff --git a/arch/x86/mm/ioremap.c b/arch/x86/mm/ioremap.c
index 12e4d2d..754cb4c 100644
--- a/arch/x86/mm/ioremap.c
+++ b/arch/x86/mm/ioremap.c
@@ -62,8 +62,8 @@
 static void __iomem *__ioremap_caller(resource_size_t phys_addr,
 		unsigned long size, unsigned long prot_val, void *caller)
 {
-	unsigned long pfn, offset, vaddr;
-	resource_size_t last_addr;
+	unsigned long offset, vaddr;
+	resource_size_t pfn, last_pfn, last_addr;
 	const resource_size_t unaligned_phys_addr = phys_addr;
 	const unsigned long unaligned_size = size;
 	struct vm_struct *area;
@@ -100,10 +100,8 @@
 	/*
 	 * Don't allow anybody to remap normal RAM that we're using..
 	 */
-	for (pfn = phys_addr >> PAGE_SHIFT;
-				(pfn << PAGE_SHIFT) < (last_addr & PAGE_MASK);
-				pfn++) {
-
+	last_pfn = last_addr >> PAGE_SHIFT;
+	for (pfn = phys_addr >> PAGE_SHIFT; pfn < last_pfn; pfn++) {
 		int is_ram = page_is_ram(pfn);
 
 		if (is_ram && pfn_valid(pfn) && !PageReserved(pfn_to_page(pfn)))
@@ -115,7 +113,7 @@
 	 * Mappings have to be page-aligned
 	 */
 	offset = phys_addr & ~PAGE_MASK;
-	phys_addr &= PAGE_MASK;
+	phys_addr &= PHYSICAL_PAGE_MASK;
 	size = PAGE_ALIGN(last_addr+1) - phys_addr;
 
 	retval = reserve_memtype(phys_addr, (u64)phys_addr + size,
diff --git a/include/linux/io.h b/include/linux/io.h
index 6c7f0ba..7fd2d21 100644
--- a/include/linux/io.h
+++ b/include/linux/io.h
@@ -29,10 +29,10 @@
 
 #ifdef CONFIG_MMU
 int ioremap_page_range(unsigned long addr, unsigned long end,
-		       unsigned long phys_addr, pgprot_t prot);
+		       phys_addr_t phys_addr, pgprot_t prot);
 #else
 static inline int ioremap_page_range(unsigned long addr, unsigned long end,
-				     unsigned long phys_addr, pgprot_t prot)
+				     phys_addr_t phys_addr, pgprot_t prot)
 {
 	return 0;
 }
diff --git a/include/linux/vmalloc.h b/include/linux/vmalloc.h
index 227c2a5..de05e96 100644
--- a/include/linux/vmalloc.h
+++ b/include/linux/vmalloc.h
@@ -30,7 +30,7 @@
 	unsigned long		flags;
 	struct page		**pages;
 	unsigned int		nr_pages;
-	unsigned long		phys_addr;
+	phys_addr_t		phys_addr;
 	void			*caller;
 };
 
diff --git a/lib/ioremap.c b/lib/ioremap.c
index 14c6078..5730ecd 100644
--- a/lib/ioremap.c
+++ b/lib/ioremap.c
@@ -13,10 +13,10 @@
 #include <asm/pgtable.h>
 
 static int ioremap_pte_range(pmd_t *pmd, unsigned long addr,
-		unsigned long end, unsigned long phys_addr, pgprot_t prot)
+		unsigned long end, phys_addr_t phys_addr, pgprot_t prot)
 {
 	pte_t *pte;
-	unsigned long pfn;
+	u64 pfn;
 
 	pfn = phys_addr >> PAGE_SHIFT;
 	pte = pte_alloc_kernel(pmd, addr);
@@ -31,7 +31,7 @@
 }
 
 static inline int ioremap_pmd_range(pud_t *pud, unsigned long addr,
-		unsigned long end, unsigned long phys_addr, pgprot_t prot)
+		unsigned long end, phys_addr_t phys_addr, pgprot_t prot)
 {
 	pmd_t *pmd;
 	unsigned long next;
@@ -49,7 +49,7 @@
 }
 
 static inline int ioremap_pud_range(pgd_t *pgd, unsigned long addr,
-		unsigned long end, unsigned long phys_addr, pgprot_t prot)
+		unsigned long end, phys_addr_t phys_addr, pgprot_t prot)
 {
 	pud_t *pud;
 	unsigned long next;
@@ -67,7 +67,7 @@
 }
 
 int ioremap_page_range(unsigned long addr,
-		       unsigned long end, unsigned long phys_addr, pgprot_t prot)
+		       unsigned long end, phys_addr_t phys_addr, pgprot_t prot)
 {
 	pgd_t *pgd;
 	unsigned long start;
diff --git a/mm/vmalloc.c b/mm/vmalloc.c
index ae00746..b7e314b 100644
--- a/mm/vmalloc.c
+++ b/mm/vmalloc.c
@@ -2403,7 +2403,7 @@
 		seq_printf(m, " pages=%d", v->nr_pages);
 
 	if (v->phys_addr)
-		seq_printf(m, " phys=%lx", v->phys_addr);
+		seq_printf(m, " phys=%llx", (unsigned long long)v->phys_addr);
 
 	if (v->flags & VM_IOREMAP)
 		seq_printf(m, " ioremap");