[PATCH v6 11/14] mm/gup: change index type to long as it counts pages

Pavel Tatashin
2021-01-20T01:44:01Z

In __get_user_pages_locked() i counts number of pages which should be
long, as long is used in all other places to contain number of pages, and
32-bit becomes increasingly small for handling page count proportional
values.

Signed-off-by: Pavel Tatashin <pasha.tatashin@soleen.com>
Acked-by: Michal Hocko <mhocko@suse.com>
---
mm/gup.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/mm/gup.c b/mm/gup.c
index 668795e5a816..c7abd5b37150 100644
--- a/mm/gup.c
+++ b/mm/gup.c
@@ -1479,7 +1479,7 @@ static long __get_user_pages_locked(struct mm_struct *mm, unsigned long start,
{
struct vm_area_struct *vma;
unsigned long vm_flags;
- int i;
+ long i;

/* calculate required read or write permissions.
* If FOLL_FORCE is set, we only require the "MAY" flags.
--
2.25.1