mmap randomization for executable mappings on 32-bit

[linux-flexiantxendom0-natty.git] / include / linux / mm.h

diff --git a/include/linux/mm.h b/include/linux/mm.h
index c67adb4..4e43460 100644 (file)
--- a/include/linux/mm.h
+++ b/include/linux/mm.h
@@ -1415,7 +1415,13 @@ extern int install_special_mapping(struct mm_struct *mm,
                                   unsigned long addr, unsigned long len,
                                   unsigned long flags, struct page **pages);
 
-extern unsigned long get_unmapped_area(struct file *, unsigned long, unsigned long, unsigned long, unsigned long);
+extern unsigned long get_unmapped_area_prot(struct file *, unsigned long, unsigned long, unsigned long, unsigned long, int);
+
+static inline unsigned long get_unmapped_area(struct file *file, unsigned long addr,
+               unsigned long len, unsigned long pgoff, unsigned long flags)
+{
+       return get_unmapped_area_prot(file, addr, len, pgoff, flags, 0);
+}
 
 extern unsigned long do_mmap_pgoff(struct file *file, unsigned long addr,
        unsigned long len, unsigned long prot,