1 files changed, 1 insertions, 0 deletions

diff --git a/include/asm-x86/page.h b/include/asm-x86/page.h
index 6724a4bc6b7a..b381f4a5a0bd 100644
--- a/include/asm-x86/page.h
+++ b/include/asm-x86/page.h
@@ -47,6 +47,7 @@
 #ifndef __ASSEMBLY__
 
 extern int page_is_ram(unsigned long pagenr);
+extern int devmem_is_allowed(unsigned long pagenr);
 
 extern unsigned long max_pfn_mapped;