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| author | Audra Mitchell <audra@redhat.com> | 2026-08-06 11:00:34 -0400 |
|---|---|---|
| committer | Andrew Morton <akpm@linux-foundation.org> | 2026-08-20 18:24:31 -0700 |
| commit | 7cd1357f0a1092cdb24b48b945f91bca5b39651e (patch) | |
| tree | 9641ee6639da727cb594e714d800074efe07fc25 /tools | |
| parent | c36ec991ce26593db519aeb547465249aed67e4a (diff) | |
| download | linux-next-7cd1357f0a1092cdb24b48b945f91bca5b39651e.tar.gz linux-next-7cd1357f0a1092cdb24b48b945f91bca5b39651e.zip | |
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 <audra@redhat.com>
Reviewed-by: Liam R. Howlett (Oracle) <liam@infradead.org>
Acked-by: David Hildenbrand (Arm) <david@kernel.org>
Cc: Lorenzo Stoakes <ljs@kernel.org>
Cc: Michal Hocko <mhocko@suse.com>
Cc: Mike Rapoport <rppt@kernel.org>
Cc: Shuah Khan <shuah@kernel.org>
Cc: Suren Baghdasaryan <surenb@google.com>
Cc: Vlastimil Babka <vbabka@kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Diffstat (limited to 'tools')
| -rw-r--r-- | tools/testing/selftests/mm/vm_util.c | 4 |
1 files changed, 2 insertions, 2 deletions
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) |