diff options
Diffstat (limited to 'mm/vma_exec.c')
| -rw-r--r-- | mm/vma_exec.c | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/mm/vma_exec.c b/mm/vma_exec.c index 922ee51747a6..8134e1afca68 100644 --- a/mm/vma_exec.c +++ b/mm/vma_exec.c @@ -107,6 +107,7 @@ int relocate_vma_down(struct vm_area_struct *vma, unsigned long shift) int create_init_stack_vma(struct mm_struct *mm, struct vm_area_struct **vmap, unsigned long *top_mem_p) { + unsigned long flags = VM_STACK_FLAGS | VM_STACK_INCOMPLETE_SETUP; int err; struct vm_area_struct *vma = vm_area_alloc(mm); @@ -137,7 +138,9 @@ int create_init_stack_vma(struct mm_struct *mm, struct vm_area_struct **vmap, BUILD_BUG_ON(VM_STACK_FLAGS & VM_STACK_INCOMPLETE_SETUP); vma->vm_end = STACK_TOP_MAX; vma->vm_start = vma->vm_end - PAGE_SIZE; - vm_flags_init(vma, VM_SOFTDIRTY | VM_STACK_FLAGS | VM_STACK_INCOMPLETE_SETUP); + if (pgtable_supports_soft_dirty()) + flags |= VM_SOFTDIRTY; + vm_flags_init(vma, flags); vma->vm_page_prot = vm_get_page_prot(vma->vm_flags); err = insert_vm_struct(mm, vma); |