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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>
This commit is contained in:
Tang Yizhou 2020-08-06 23:20:01 -07:00 committed by Linus Torvalds
parent 605cad8343
commit 0a36f7f85e
1 changed files with 2 additions and 1 deletions
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mm/gup.c
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@ -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.
*