diff options
Diffstat (limited to 'arch/s390/mm/mmap.c')
| -rw-r--r-- | arch/s390/mm/mmap.c | 32 |
1 files changed, 1 insertions, 31 deletions
diff --git a/arch/s390/mm/mmap.c b/arch/s390/mm/mmap.c index bb3367c5cb0b..6e552af08c76 100644 --- a/arch/s390/mm/mmap.c +++ b/arch/s390/mm/mmap.c @@ -32,7 +32,7 @@ #include <asm/pgalloc.h> unsigned long mmap_rnd_mask; -unsigned long mmap_align_mask; +static unsigned long mmap_align_mask; static unsigned long stack_maxrandom_size(void) { @@ -177,34 +177,6 @@ arch_get_unmapped_area_topdown(struct file *filp, const unsigned long addr0, return addr; } -#ifndef CONFIG_64BIT - -/* - * This function, called very early during the creation of a new - * process VM image, sets up which VM layout function to use: - */ -void arch_pick_mmap_layout(struct mm_struct *mm) -{ - unsigned long random_factor = 0UL; - - if (current->flags & PF_RANDOMIZE) - random_factor = arch_mmap_rnd(); - - /* - * Fall back to the standard layout if the personality - * bit is set, or if the expected stack growth is unlimited: - */ - if (mmap_is_legacy()) { - mm->mmap_base = mmap_base_legacy(random_factor); - mm->get_unmapped_area = arch_get_unmapped_area; - } else { - mm->mmap_base = mmap_base(random_factor); - mm->get_unmapped_area = arch_get_unmapped_area_topdown; - } -} - -#else - int s390_mmap_check(unsigned long addr, unsigned long len, unsigned long flags) { if (is_compat_task() || (TASK_SIZE >= (1UL << 53))) @@ -314,5 +286,3 @@ static int __init setup_mmap_rnd(void) return 0; } early_initcall(setup_mmap_rnd); - -#endif |