diff mbox series

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

Message ID 20210120014333.222547-12-pasha.tatashin@soleen.com (mailing list archive)
State New
Headers show
Series prohibit pinning pages in ZONE_MOVABLE | expand

Commit Message

Pasha Tatashin Jan. 20, 2021, 1:43 a.m. UTC 
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 mbox series

Patch

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.