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authorTang Yizhou <tangyizhou@huawei.com>2020-08-06 23:20:01 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2020-08-07 11:33:23 -0700
commit0a36f7f85e69ce248a89634b2d386600bc4c637b (patch)
tree563cdcb670df2f25304b4812b7a76d7025847052 /mm/gup.c
parent605cad8343721c4a53e80f87d5b1161baf1a7d2b (diff)
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. Signed-off-by: Tang Yizhou <tangyizhou@huawei.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Reviewed-by: Andrew Morton <akpm@linux-foundation.org> Reviewed-by: Ira Weiny <ira.weiny@intel.com> Link: http://lkml.kernel.org/r/20200720034303.29920-1-tangyizhou@huawei.com Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'mm/gup.c')
-rw-r--r--mm/gup.c3
1 files changed, 2 insertions, 1 deletions
diff --git a/mm/gup.c b/mm/gup.c
index 6f47697f8fb0..d8a33dd1430d 100644
--- a/mm/gup.c
+++ b/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.
*