1 files changed, 6 insertions, 1 deletions

diff --git a/arch/powerpc/kernel/vdso.c b/arch/powerpc/kernel/vdso.c
index ad06d5c75b15..a0abce251d0a 100644
--- a/arch/powerpc/kernel/vdso.c
+++ b/arch/powerpc/kernel/vdso.c
@@ -203,7 +203,12 @@ int arch_setup_additional_pages(struct linux_binprm *bprm, int uses_interp)
         } else {
                 vdso_pagelist = vdso64_pagelist;
                 vdso_pages = vdso64_pages;
-                vdso_base = VDSO64_MBASE;
+                /*
+                 * On 64bit we don't have a preferred map address. This
+                 * allows get_unmapped_area to find an area near other mmaps
+                 * and most likely share a SLB entry.
+                 */
+                vdso_base = 0;
         }
 #else
         vdso_pagelist = vdso32_pagelist;