[S390] vdso: dont map at mmap_base

[~andy/linux] / arch / s390 / kernel / vdso.c

diff --git a/arch/s390/kernel/vdso.c b/arch/s390/kernel/vdso.c
index e3150dd2fe7457604a9e041a9a274dee6861addd..f438d74dedbd171fa151f234a96e4f173358403a 100644 (file)
--- a/arch/s390/kernel/vdso.c
+++ b/arch/s390/kernel/vdso.c
@@ -203,7 +203,6 @@ int arch_setup_additional_pages(struct linux_binprm *bprm, int uses_interp)
        if (!uses_interp)
                return 0;
 
-       vdso_base = mm->mmap_base;
 #ifdef CONFIG_64BIT
        vdso_pagelist = vdso64_pagelist;
        vdso_pages = vdso64_pages;
@@ -233,8 +232,7 @@ int arch_setup_additional_pages(struct linux_binprm *bprm, int uses_interp)
         * fail and end up putting it elsewhere.
         */
        down_write(&mm->mmap_sem);
-       vdso_base = get_unmapped_area(NULL, vdso_base,
-                                     vdso_pages << PAGE_SHIFT, 0, 0);
+       vdso_base = get_unmapped_area(NULL, 0, vdso_pages << PAGE_SHIFT, 0, 0);
        if (IS_ERR_VALUE(vdso_base)) {
                rc = vdso_base;
                goto out_up;