From 7cd1357f0a1092cdb24b48b945f91bca5b39651e Mon Sep 17 00:00:00 2001 From: Audra Mitchell Date: Thu, 6 Aug 2026 11:00:34 -0400 Subject: selftests/mm/vm_util.c: correct __pagemap_scan_get_categories return value Currently __pagemap_scan_get_categories returns the result from the ioctl call which should be an int, not uint64_t. The ioctl may return -1 on error, which will be interpreted as UINT64_MAX. Adjust the return type to use the correct value. Link: https://lore.kernel.org/20260806150339.1824251-2-audra@redhat.com Signed-off-by: Audra Mitchell Reviewed-by: Liam R. Howlett (Oracle) Acked-by: David Hildenbrand (Arm) Cc: Lorenzo Stoakes Cc: Michal Hocko Cc: Mike Rapoport Cc: Shuah Khan Cc: Suren Baghdasaryan Cc: Vlastimil Babka Signed-off-by: Andrew Morton --- tools/testing/selftests/mm/vm_util.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) (limited to 'tools') diff --git a/tools/testing/selftests/mm/vm_util.c b/tools/testing/selftests/mm/vm_util.c index 13b5cff7dfe3..4fe4a5a610d1 100644 --- a/tools/testing/selftests/mm/vm_util.c +++ b/tools/testing/selftests/mm/vm_util.c @@ -34,7 +34,7 @@ uint64_t pagemap_get_entry(int fd, char *start) return entry; } -static uint64_t __pagemap_scan_get_categories(int fd, char *start, struct page_region *r) +static int __pagemap_scan_get_categories(int fd, char *start, struct page_region *r) { struct pm_scan_arg arg; @@ -58,7 +58,7 @@ static uint64_t __pagemap_scan_get_categories(int fd, char *start, struct page_r static uint64_t pagemap_scan_get_categories(int fd, char *start) { struct page_region r; - long ret; + int ret; ret = __pagemap_scan_get_categories(fd, start, &r); if (ret < 0) -- cgit v1.2.3