index c2e7d9b..8d39585 100644
--- a/src/kernel/qpixmapcache.cpp
+++ b/src/kernel/qpixmapcache.cpp
-@@ -123,9 +123,13 @@ void cleanup_pixmap_cache();
+@@ -123,9 +123,12 @@ void cleanup_pixmap_cache();
#ifdef THROW_AWAY_UNUSED_PAGES
# include <sys/mman.h> // madvise
- # include <asm/page.h> // PAGE_SIZE,PAGE_MASK,PAGE_ALIGN
+-# include <asm/page.h> // PAGE_SIZE,PAGE_MASK,PAGE_ALIGN
+# include <unistd.h> // getpagesize()
+# if (!defined(PAGE_ALIGN)) && defined(PAGE_SIZE) && defined(PAGE_MASK)
+# define PAGE_ALIGN(addr) (((addr)+PAGE_SIZE-1)&PAGE_MASK)