From: kernel test robot <lkp(a)intel.com&gt; mm/truncate.c:41:9-10: WARNING: return of 0/1 in function '__clear_shadow_entry' with return type bool Return statements in functions returning bool should use true/false instead of 1/0. Generated by: scripts/coccinelle/misc/boolreturn.cocci Fixes: 78a9d82e733f ("vfs: keep inodes with page cache off the inode shrinker LRU") CC: Johannes Weiner <hannes(a)cmpxchg.org&gt; Signed-off-by: kernel test robot <lkp(a)intel.com&gt; --- tree: https://github.com/zen-kernel/zen-kernel 5.9/zen-sauce head: a49dc684580cbc31949bfc4220f8ed5346382c49 commit: 78a9d82e733f1eae572c07bd62a40a405f9ae87a [19/24] vfs: keep inodes with page cache off the inode shrinker LRU truncate.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) --- a/mm/truncate.c +++ b/mm/truncate.c @@ -38,7 +38,7 @@ static bool __must_check __clear_shadow_ xas_set_update(&xas, workingset_update_node); if (xas_load(&xas) != entry) - return 0; + return false; xas_store(&xas, NULL); mapping->nrexceptional--;