fs/exec.c: call arch_pick_mmap_layout() only once
authorRichard Weinberger <richard@nod.at>
Thu, 23 Jan 2014 23:55:58 +0000 (15:55 -0800)
committerLinus Torvalds <torvalds@linux-foundation.org>
Fri, 24 Jan 2014 00:37:02 +0000 (16:37 -0800)
Currently both setup_new_exec() and flush_old_exec() issue a call to
arch_pick_mmap_layout().  As setup_new_exec() and flush_old_exec() are
always called pairwise arch_pick_mmap_layout() is called twice.

This patch removes one call from setup_new_exec() to have it only called
once.

Signed-off-by: Richard Weinberger <richard@nod.at>
Tested-by: Pat Erley <pat-lkml@erley.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
fs/exec.c

index 44218a7267b27f5ec8c6141a50b4b60d2c21900a..e1529b4c79b1c29b300ab6519a94d7b748069e33 100644 (file)
--- a/fs/exec.c
+++ b/fs/exec.c
@@ -842,7 +842,6 @@ static int exec_mmap(struct mm_struct *mm)
        tsk->active_mm = mm;
        activate_mm(active_mm, mm);
        task_unlock(tsk);
-       arch_pick_mmap_layout(mm);
        if (old_mm) {
                up_read(&old_mm->mmap_sem);
                BUG_ON(active_mm != old_mm);