1 files changed, 10 insertions, 9 deletions

diff --git a/mm/page_alloc.c b/mm/page_alloc.c
index d711dcdda362..be18ccd017bb 100644
--- a/mm/page_alloc.c
+++ b/mm/page_alloc.c
@@ -5206,25 +5206,26 @@ early_param("movablecore", cmdline_parse_movablecore);
 
 #endif /* CONFIG_HAVE_MEMBLOCK_NODE_MAP */
 
-unsigned long free_reserved_area(unsigned long start, unsigned long end,
-                                 int poison, char *s)
+unsigned long free_reserved_area(void *start, void *end, int poison, char *s)
 {
-        unsigned long pages, pos;
+        void *pos;
+        unsigned long pages = 0;
 
-        pos = start = PAGE_ALIGN(start);
-        end &= PAGE_MASK;
-        for (pages = 0; pos < end; pos += PAGE_SIZE, pages++) {
+        start = (void *)PAGE_ALIGN((unsigned long)start);
+        end = (void *)((unsigned long)end & PAGE_MASK);
+        for (pos = start; pos < end; pos += PAGE_SIZE, pages++) {
                 if (poison)
-                        memset((void *)pos, poison, PAGE_SIZE);
-                free_reserved_page(virt_to_page((void *)pos));
+                        memset(pos, poison, PAGE_SIZE);
+                free_reserved_page(virt_to_page(pos));
         }
 
         if (pages && s)
-                pr_info("Freeing %s memory: %ldK (%lx - %lx)\n",
+                pr_info("Freeing %s memory: %ldK (%p - %p)\n",
                         s, pages << (PAGE_SHIFT - 10), start, end);
 
         return pages;
 }
+EXPORT_SYMBOL(free_reserved_area);
 
 #ifdef  CONFIG_HIGHMEM
 void free_highmem_page(struct page *page)