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-rw-r--r--mm/util.c10
1 files changed, 10 insertions, 0 deletions
diff --git a/mm/util.c b/mm/util.c
index 8f18683825bc..0efd83097ecf 100644
--- a/mm/util.c
+++ b/mm/util.c
@@ -1,3 +1,4 @@
+#include <linux/mm.h>
#include <linux/slab.h>
#include <linux/string.h>
#include <linux/module.h>
@@ -136,3 +137,12 @@ char *strndup_user(const char __user *s, long n)
return p;
}
EXPORT_SYMBOL(strndup_user);
+
+#ifndef HAVE_ARCH_PICK_MMAP_LAYOUT
+void arch_pick_mmap_layout(struct mm_struct *mm)
+{
+ mm->mmap_base = TASK_UNMAPPED_BASE;
+ mm->get_unmapped_area = arch_get_unmapped_area;
+ mm->unmap_area = arch_unmap_area;
+}
+#endif