[PATCH 08/11] mm: page_vma_mapped_walk(): use goto instead of while (1)

[Hugh Dickins <hughd@google.com>]

page_vma_mapped_walk() cleanup: add a label this_pte, matching next_pte,
and use "goto this_pte", in place of the "while (1)" loop at the end.

Signed-off-by: Hugh Dickins <hughd@google.com>
Cc: <stable@vger.kernel.org>
---
 mm/page_vma_mapped.c | 7 +++----
 1 file changed, 3 insertions(+), 4 deletions(-)

diff --git a/mm/page_vma_mapped.c b/mm/page_vma_mapped.c
index 0840079ef7d2..006f4814abbc 100644
--- a/mm/page_vma_mapped.c
+++ b/mm/page_vma_mapped.c
@@ -144,6 +144,7 @@ bool page_vma_mapped_walk(struct page_vma_mapped_walk *pvmw)
 {
 	struct mm_struct *mm = pvmw->vma->vm_mm;
 	struct page *page = pvmw->page;
+	unsigned long end;
 	pgd_t *pgd;
 	p4d_t *p4d;
 	pud_t *pud;
@@ -234,10 +235,7 @@ bool page_vma_mapped_walk(struct page_vma_mapped_walk *pvmw)
 		}
 		if (!map_pte(pvmw))
 			goto next_pte;
-	}
-	while (1) {
-		unsigned long end;
-
+this_pte:
 		if (check_pte(pvmw))
 			return true;
 next_pte:
@@ -266,6 +264,7 @@ bool page_vma_mapped_walk(struct page_vma_mapped_walk *pvmw)
 			pvmw->ptl = pte_lockptr(mm, pvmw->pmd);
 			spin_lock(pvmw->ptl);
 		}
+		goto this_pte;
 	}
 }
 
-- 
2.26.2