1 files changed, 3 insertions, 1 deletions

diff --git a/arch/x86/mm/pageattr.c b/arch/x86/mm/pageattr.c
index b6374d653d06..a9ec89c3fbca 100644
--- a/arch/x86/mm/pageattr.c
+++ b/arch/x86/mm/pageattr.c
@@ -96,7 +96,7 @@ static inline unsigned long highmap_start_pfn(void)
 
 static inline unsigned long highmap_end_pfn(void)
 {
-        return __pa(round_up((unsigned long)_end, PMD_SIZE)) >> PAGE_SHIFT;
+        return __pa(roundup((unsigned long)_end, PMD_SIZE)) >> PAGE_SHIFT;
 }
 
 #endif
@@ -981,11 +981,13 @@ int set_memory_ro(unsigned long addr, int numpages)
 {
         return change_page_attr_clear(&addr, numpages, __pgprot(_PAGE_RW), 0);
 }
+EXPORT_SYMBOL_GPL(set_memory_ro);
 
 int set_memory_rw(unsigned long addr, int numpages)
 {
         return change_page_attr_set(&addr, numpages, __pgprot(_PAGE_RW), 0);
 }
+EXPORT_SYMBOL_GPL(set_memory_rw);
 
 int set_memory_np(unsigned long addr, int numpages)
 {