---
 arch/x86_64/mm/pat.c     |   22 ++++++++++++++++++++++
 include/asm-x86_64/pat.h |    3 +++
 2 files changed, 25 insertions(+)

Index: linux/arch/x86_64/mm/pat.c
===================================================================
--- linux.orig/arch/x86_64/mm/pat.c
+++ linux/arch/x86_64/mm/pat.c
@@ -301,3 +301,25 @@ int io_remap_pfn_range(struct vm_area_st
 	return err ? err : remap_pfn_range(vma, vaddr, pfn, size, prot);
 }
 EXPORT_SYMBOL(io_remap_pfn_range);
+
+void *get_pages_mattr(gfp_t mask, unsigned order, unsigned long attr)
+{
+	int err;
+	void *p = (void *)__get_free_pages(mask, order);
+	if (!p)
+		return NULL;
+	err = reserve_mattr(__pa(p), __pa(p) + (order<<PAGE_SHIFT), attr, NULL);
+	if (err) {
+		free_pages((unsigned long)p, order);
+		p = NULL;
+	}
+	return p;
+}
+EXPORT_SYMBOL(get_pages_mattr);
+
+void free_pages_mattr(void *p, unsigned order, unsigned long attr)
+{
+	free_mattr(__pa(p), __pa(p) + (order << PAGE_SHIFT), attr);
+	free_pages((unsigned long)p, order);
+}
+EXPORT_SYMBOL(free_pages_mattr);
Index: linux/include/asm-x86_64/pat.h
===================================================================
--- linux.orig/include/asm-x86_64/pat.h
+++ linux/include/asm-x86_64/pat.h
@@ -10,5 +10,8 @@ int free_mattr(u64 start, u64 end, unsig
 int reserve_mattr_vma(struct vm_area_struct *vma);
 void free_mattr_vma(struct vm_area_struct *vma);
 
+void *get_pages_mattr(gfp_t mask, unsigned order, unsigned long attr);
+void free_pages_mattr(void *p, unsigned order, unsigned long attr);
+
 #endif