diff options
| -rw-r--r-- | mm/swapfile.c | 27 |
1 files changed, 17 insertions, 10 deletions
diff --git a/mm/swapfile.c b/mm/swapfile.c index 4f4fc74239d6..953dcd99006e 100644 --- a/mm/swapfile.c +++ b/mm/swapfile.c @@ -1463,6 +1463,22 @@ put_out: return NULL; } +static void swap_entries_put_cache(struct swap_info_struct *si, + swp_entry_t entry, int nr) +{ + unsigned long offset = swp_offset(entry); + struct swap_cluster_info *ci; + + ci = lock_cluster(si, offset); + if (swap_only_has_cache(si, offset, nr)) + swap_entries_free(si, ci, entry, nr); + else { + for (int i = 0; i < nr; i++, entry.val++) + swap_entry_put_locked(si, ci, entry, SWAP_HAS_CACHE); + } + unlock_cluster(ci); +} + static bool swap_entries_put_map(struct swap_info_struct *si, swp_entry_t entry, int nr) { @@ -1607,8 +1623,6 @@ void swap_free_nr(swp_entry_t entry, int nr_pages) */ void put_swap_folio(struct folio *folio, swp_entry_t entry) { - unsigned long offset = swp_offset(entry); - struct swap_cluster_info *ci; struct swap_info_struct *si; int size = 1 << swap_entry_order(folio_order(folio)); @@ -1616,14 +1630,7 @@ void put_swap_folio(struct folio *folio, swp_entry_t entry) if (!si) return; - ci = lock_cluster(si, offset); - if (swap_only_has_cache(si, offset, size)) - swap_entries_free(si, ci, entry, size); - else { - for (int i = 0; i < size; i++, entry.val++) - swap_entry_put_locked(si, ci, entry, SWAP_HAS_CACHE); - } - unlock_cluster(ci); + swap_entries_put_cache(si, entry, size); } int __swap_count(swp_entry_t entry) |