[PATCH v11 11/14] mm/gup: change index type to long as it counts pages
From: Pavel Tatashin <pasha.tatashin@soleen.com>
Date: 2021-02-15 17:23:35
Also in:
linux-kselftest, linux-mm, lkml
Subsystem:
memory management, memory management - gup (get user pages), the rest · Maintainers:
Andrew Morton, David Hildenbrand, Linus Torvalds
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 da6d370fe551..fab20b934030 100644
--- a/mm/gup.c
+++ b/mm/gup.c@@ -1472,7 +1472,7 @@ 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