The patch titled Subject: mm: zswap: remove unused tree argument in zswap_entry_put() has been added to the -mm mm-unstable branch. Its filename is mm-zswap-remove-unused-tree-argument-in-zswap_entry_put.patch This patch will shortly appear at https://git.kernel.org/pub/scm/linux/kernel/git/akpm/25-new.git/tree/patches/mm-zswap-remove-unused-tree-argument-in-zswap_entry_put.patch This patch will later appear in the mm-unstable branch at git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm Before you just go and hit "reply", please: a) Consider who else should be cc'ed b) Prefer to cc a suitable mailing list as well c) Ideally: find the original patch on the mailing list and do a reply-to-all to that, adding suitable additional cc's *** Remember to use Documentation/process/submit-checklist.rst when testing your code *** The -mm tree is included into linux-next via the mm-everything branch at git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm and is updated there every 2-3 working days ------------------------------------------------------ From: Yosry Ahmed <yosryahmed@xxxxxxxxxx> Subject: mm: zswap: remove unused tree argument in zswap_entry_put() Date: Thu, 25 Jan 2024 08:14:23 +0000 Commit 7310895779624 ("mm: zswap: tighten up entry invalidation") removed the usage of tree argument, delete it. Link: https://lkml.kernel.org/r/20240125081423.1200336-1-yosryahmed@xxxxxxxxxx Signed-off-by: Yosry Ahmed <yosryahmed@xxxxxxxxxx> Reviewed-by: Chengming Zhou <zhouchengming@xxxxxxxxxxxxx> Acked-by: Johannes Weiner <hannes@xxxxxxxxxxx> Reviewed-by: Nhat Pham <nphamcs@xxxxxxxxx> Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx> --- mm/zswap.c | 9 ++++----- 1 file changed, 4 insertions(+), 5 deletions(-) --- a/mm/zswap.c~mm-zswap-remove-unused-tree-argument-in-zswap_entry_put +++ a/mm/zswap.c @@ -569,8 +569,7 @@ static void zswap_entry_get(struct zswap /* caller must hold the tree lock * remove from the tree and free it, if nobody reference the entry */ -static void zswap_entry_put(struct zswap_tree *tree, - struct zswap_entry *entry) +static void zswap_entry_put(struct zswap_entry *entry) { int refcount = --entry->refcount; @@ -853,7 +852,7 @@ static void zswap_invalidate_entry(struc struct zswap_entry *entry) { if (zswap_rb_erase(&tree->rbroot, entry)) - zswap_entry_put(tree, entry); + zswap_entry_put(entry); } static enum lru_status shrink_memcg_cb(struct list_head *item, struct list_lru_one *l, @@ -924,7 +923,7 @@ static enum lru_status shrink_memcg_cb(s put_unlock: /* Drop local reference */ - zswap_entry_put(tree, entry); + zswap_entry_put(entry); unlock: spin_unlock(&tree->lock); spin_lock(lock); @@ -1754,7 +1753,7 @@ bool zswap_load(struct folio *folio) zswap_lru_del(&entry->pool->list_lru, entry); zswap_lru_add(&entry->pool->list_lru, entry); } - zswap_entry_put(tree, entry); + zswap_entry_put(entry); spin_unlock(&tree->lock); return true; _ Patches currently in -mm which might be from yosryahmed@xxxxxxxxxx are maintainers-supplement-of-zswap-maintainers-update.patch mm-swap-enforce-updating-inuse_pages-at-the-end-of-swap_range_free.patch mm-zswap-remove-unnecessary-trees-cleanups-in-zswap_swapoff.patch mm-zswap-remove-unused-tree-argument-in-zswap_entry_put.patch