diff options
Diffstat (limited to 'mm/rmap.c')
-rw-r--r-- | mm/rmap.c | 23 |
1 files changed, 10 insertions, 13 deletions
diff --git a/mm/rmap.c b/mm/rmap.c index 2630bde38640..901950200957 100644 --- a/mm/rmap.c +++ b/mm/rmap.c @@ -1568,22 +1568,19 @@ static __always_inline void __folio_remove_rmap(struct folio *folio, } } - partially_mapped = nr < nr_pmdmapped; + partially_mapped = nr && nr < nr_pmdmapped; break; } - if (nr) { - /* - * Queue anon large folio for deferred split if at least one - * page of the folio is unmapped and at least one page - * is still mapped. - * - * Check partially_mapped first to ensure it is a large folio. - */ - if (folio_test_anon(folio) && partially_mapped && - list_empty(&folio->_deferred_list)) - deferred_split_folio(folio); - } + /* + * Queue anon large folio for deferred split if at least one page of + * the folio is unmapped and at least one page is still mapped. + * + * Check partially_mapped first to ensure it is a large folio. + */ + if (partially_mapped && folio_test_anon(folio) && + list_empty(&folio->_deferred_list)) + deferred_split_folio(folio); __folio_mod_stat(folio, -nr, -nr_pmdmapped); /* |