Re: [PATCH] mm/vmalloc: Replace the ternary conditional operator with min()

From: Lorenzo Stoakes
Date: Fri Jun 09 2023 - 04:49:36 EST


On Fri, Jun 09, 2023 at 08:09:45AM +0100, Lorenzo Stoakes wrote:
> On Fri, Jun 09, 2023 at 02:13:09PM +0800, Lu Hongfei wrote:
> > It would be better to replace the traditional ternary conditional
> > operator with min() in zero_iter
> >
> > Signed-off-by: Lu Hongfei <luhongfei@xxxxxxxx>
> > ---
> > mm/vmalloc.c | 2 +-
> > 1 file changed, 1 insertion(+), 1 deletion(-)
> >
> > diff --git a/mm/vmalloc.c b/mm/vmalloc.c
> > index 29077d61ff81..42df032e6c27
> > --- a/mm/vmalloc.c
> > +++ b/mm/vmalloc.c
> > @@ -3571,7 +3571,7 @@ static size_t zero_iter(struct iov_iter *iter, size_t count)
> > while (remains > 0) {
> > size_t num, copied;
> >
> > - num = remains < PAGE_SIZE ? remains : PAGE_SIZE;
> > + num = min(remains, PAGE_SIZE);

OK, as per the pedantic test bot, you'll need to change this to:-

num = min_t(size_t, remains, PAGE_SIZE);

> > copied = copy_page_to_iter_nofault(ZERO_PAGE(0), 0, num, iter);
> > remains -= copied;
> >
> > --
> > 2.39.0
> >
>
> Looks good to me, thanks,
>
> Reviewed-by: Lorenzo Stoakes <lstoakes@xxxxxxxxx>

Please spin up a v2 with this change and then you can take my Reviewed-by tag :)

Cheers, Lorenzo