mm/mempolicy: remove unneeded out label

We can use unlock label to unlock ptl and return ret directly to remove
the unneeded out label and reduce the size of mempolicy.o.  No functional
change intended.

[Before]
   text	   data	    bss	    dec	    hex	filename
  26702	   3972	   6168	  36842	   8fea	mm/mempolicy.o

[After]
   text	   data	    bss	    dec	    hex	filename
  26662	   3972	   6168	  36802	   8fc2	mm/mempolicy.o

Link: https://lkml.kernel.org/r/20220719115233.6706-1-linmiaohe@huawei.com
Signed-off-by: Miaohe Lin <linmiaohe@huawei.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>

diff --git a/mm/mempolicy.c b/mm/mempolicy.c
index dc74239d1ac77675ed8f8db3e0ba36285bbe927b..6c27acb6cd63dc24ce688739a5fc12dd7a10180a 100644 (file)
--- a/mm/mempolicy.c
+++ b/mm/mempolicy.c
@@ -466,9 +466,8 @@ static int queue_pages_pmd(pmd_t *pmd, spinlock_t *ptl, unsigned long addr,
        }
        page = pmd_page(*pmd);
        if (is_huge_zero_page(page)) {
-               spin_unlock(ptl);
                walk->action = ACTION_CONTINUE;
-               goto out;
+               goto unlock;
        }
        if (!queue_pages_required(page, qp))
                goto unlock;
@@ -485,7 +484,6 @@ static int queue_pages_pmd(pmd_t *pmd, spinlock_t *ptl, unsigned long addr,
                ret = -EIO;
 unlock:
        spin_unlock(ptl);
-out:
        return ret;
 }