mm: larger stack guard gap, between vmas

[karo-tx-linux.git] / mm / gup.c

diff --git a/mm/gup.c b/mm/gup.c
index b3c7214d710d5ea8bab8648b5182c53d882f3c31..576c4df588823ab948c4a5d0dd12b6d54b94b430 100644 (file)
--- a/mm/gup.c
+++ b/mm/gup.c
@@ -387,11 +387,6 @@ static int faultin_page(struct task_struct *tsk, struct vm_area_struct *vma,
        /* mlock all present pages, but do not fault in new pages */
        if ((*flags & (FOLL_POPULATE | FOLL_MLOCK)) == FOLL_MLOCK)
                return -ENOENT;
-       /* For mm_populate(), just skip the stack guard page. */
-       if ((*flags & FOLL_POPULATE) &&
-                       (stack_guard_page_start(vma, address) ||
-                        stack_guard_page_end(vma, address + PAGE_SIZE)))
-               return -ENOENT;
        if (*flags & FOLL_WRITE)
                fault_flags |= FAULT_FLAG_WRITE;
        if (*flags & FOLL_REMOTE)