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Diffstat (limited to 'mm/swapfile.c')
-rw-r--r--mm/swapfile.c35
1 files changed, 9 insertions, 26 deletions
diff --git a/mm/swapfile.c b/mm/swapfile.c
index 5cfa068fd7c9..ea02d9795126 100644
--- a/mm/swapfile.c
+++ b/mm/swapfile.c
@@ -1614,22 +1614,6 @@ 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 = swap_cluster_lock(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);
- }
- swap_cluster_unlock(ci);
-}
-
static bool swap_entries_put_map(struct swap_info_struct *si,
swp_entry_t entry, int nr)
{
@@ -1765,13 +1749,21 @@ void swap_free_nr(swp_entry_t entry, int nr_pages)
void put_swap_folio(struct folio *folio, swp_entry_t entry)
{
struct swap_info_struct *si;
+ struct swap_cluster_info *ci;
+ unsigned long offset = swp_offset(entry);
int size = 1 << swap_entry_order(folio_order(folio));
si = _swap_info_get(entry);
if (!si)
return;
- swap_entries_put_cache(si, entry, size);
+ ci = swap_cluster_lock(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);
+ swap_cluster_unlock(ci);
}
int __swap_count(swp_entry_t entry)
@@ -3785,15 +3777,6 @@ int swapcache_prepare(swp_entry_t entry, int nr)
}
/*
- * Caller should ensure entries belong to the same folio so
- * the entries won't span cross cluster boundary.
- */
-void swapcache_clear(struct swap_info_struct *si, swp_entry_t entry, int nr)
-{
- swap_entries_put_cache(si, entry, nr);
-}
-
-/*
* add_swap_count_continuation - called when a swap count is duplicated
* beyond SWAP_MAP_MAX, it allocates a new page and links that to the entry's
* page of the original vmalloc'ed swap_map, to hold the continuation count