| Message ID | 20200720034303.29920-1-tangyizhou@huawei.com (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
| Series | [-next] mm/gup.c: Fix the comment of return value for populate_vma_page_range() | expand |
On Mon, Jul 20, 2020 at 11:43:03AM +0800, Tang Yizhou wrote: > 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> Reviewed-by: Ira Weiny <ira.weiny@intel.com> > --- > mm/gup.c | 3 ++- > 1 file changed, 2 insertions(+), 1 deletion(-) > > diff --git a/mm/gup.c b/mm/gup.c > index 2cc5eba44362..a55f1ec712e9 100644 > --- a/mm/gup.c > +++ b/mm/gup.c > @@ -1386,7 +1386,8 @@ static __always_inline long __get_user_pages_locked(struct mm_struct *mm, > * > * 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. > * > -- > 2.17.1 >
diff --git a/mm/gup.c b/mm/gup.c index 2cc5eba44362..a55f1ec712e9 100644 --- a/mm/gup.c +++ b/mm/gup.c @@ -1386,7 +1386,8 @@ static __always_inline long __get_user_pages_locked(struct mm_struct *mm, * * 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. *
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> --- mm/gup.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-)