The patch titled
Subject: filemap: remove unused folio_add_wait_queue
has been added to the -mm mm-unstable branch. Its filename is
filemap-remove-unused-folio_add_wait_queue.patch
This patch will shortly appear at
https://git.kernel.org/pub/scm/linux/kernel/git/akpm/25-new.git/tree/patches/filemap-remove-unused-folio_add_wait_queue.patch
This patch will later appear in the mm-unstable branch at
git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm
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------------------------------------------------------
From: "Dr. David Alan Gilbert" <linux@xxxxxxxxxxx>
Subject: filemap: remove unused folio_add_wait_queue
Date: Sat, 16 Nov 2024 15:14:46 +0000
folio_add_wait_queue() has been unused since 2021's commit 850cba069c26
("cachefiles: Delete the cachefiles driver pending rewrite")
Remove it.
Link: https://lkml.kernel.org/r/20241116151446.95555-1-linux@xxxxxxxxxxx
Signed-off-by: Dr. David Alan Gilbert <linux@xxxxxxxxxxx>
Reviewed-by: David Hildenbrand <david@xxxxxxxxxx>
Reviewed-by: Vishal Moola (Oracle) <vishal.moola@xxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
include/linux/pagemap.h | 5 -----
mm/filemap.c | 19 -------------------
2 files changed, 24 deletions(-)
--- a/include/linux/pagemap.h~filemap-remove-unused-folio_add_wait_queue
+++ a/include/linux/pagemap.h
@@ -1281,11 +1281,6 @@ void folio_wait_private_2(struct folio *
int folio_wait_private_2_killable(struct folio *folio);
/*
- * Add an arbitrary waiter to a page's wait queue
- */
-void folio_add_wait_queue(struct folio *folio, wait_queue_entry_t *waiter);
-
-/*
* Fault in userspace address range.
*/
size_t fault_in_writeable(char __user *uaddr, size_t size);
--- a/mm/filemap.c~filemap-remove-unused-folio_add_wait_queue
+++ a/mm/filemap.c
@@ -1473,25 +1473,6 @@ static int folio_put_wait_locked(struct
}
/**
- * folio_add_wait_queue - Add an arbitrary waiter to a folio's wait queue
- * @folio: Folio defining the wait queue of interest
- * @waiter: Waiter to add to the queue
- *
- * Add an arbitrary @waiter to the wait queue for the nominated @folio.
- */
-void folio_add_wait_queue(struct folio *folio, wait_queue_entry_t *waiter)
-{
- wait_queue_head_t *q = folio_waitqueue(folio);
- unsigned long flags;
-
- spin_lock_irqsave(&q->lock, flags);
- __add_wait_queue_entry_tail(q, waiter);
- folio_set_waiters(folio);
- spin_unlock_irqrestore(&q->lock, flags);
-}
-EXPORT_SYMBOL_GPL(folio_add_wait_queue);
-
-/**
* folio_unlock - Unlock a locked folio.
* @folio: The folio.
*
_
Patches currently in -mm which might be from linux@xxxxxxxxxxx are
filemap-remove-unused-folio_add_wait_queue.patch
