diff mbox series

[053/163] mm/gup.c: fix the comment of return value for populate_vma_page_range()

Message ID 20200807062001.1NvKva6WQ%akpm@linux-foundation.org
State New
Headers show
Series [001/163] mm/memory.c: avoid access flag update TLB flush for retried page fault | expand

Commit Message

Andrew Morton Aug. 7, 2020, 6:20 a.m. UTC
From: Tang Yizhou <tangyizhou@huawei.com>
Subject: mm/gup.c: fix the comment of return value for populate_vma_page_range()

The return value of populate_vma_page_range() is consistent with
__get_user_pages(), and so is the function comment of return value.

Link: http://lkml.kernel.org/r/20200720034303.29920-1-tangyizhou@huawei.com
Signed-off-by: Tang Yizhou <tangyizhou@huawei.com>
Reviewed-by: Andrew Morton <akpm@linux-foundation.org>
Reviewed-by: Ira Weiny <ira.weiny@intel.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
---

 mm/gup.c |    3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)
diff mbox series

Patch

--- a/mm/gup.c~mm-gupc-fix-the-comment-of-return-value-for-populate_vma_page_range
+++ a/mm/gup.c
@@ -1404,7 +1404,8 @@  retry:
  *
  * This takes care of mlocking the pages too if VM_LOCKED is set.
  *
- * return 0 on success, negative error code on error.
+ * Return either number of pages pinned in the vma, or a negative error
+ * code on error.
  *
  * vma->vm_mm->mmap_lock must be held.
  *