+ ceph-replace-pageprivate-with-page_private.patch added to mm-unstable branch

+ ceph-replace-pageprivate-with-page_private.patch added to mm-unstable branch

[Andrew Morton]

The patch titled
     Subject: ceph: replace PagePrivate() with page_private()
has been added to the -mm mm-unstable branch.  Its filename is
     ceph-replace-pageprivate-with-page_private.patch

This patch will shortly appear at
     https://git.kernel.org/pub/scm/linux/kernel/git/akpm/25-new.git/tree/patches/ceph-replace-pageprivate-with-page_private.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: Zi Yan <ziy@nvidia.com>
Subject: ceph: replace PagePrivate() with page_private()
Date: Sun, 20 Sep 2026 22:28:08 -0400

PagePrivate() is going to be removed along with PG_private and its
implementation is the same as page_private().

Assisted-by: LLM
Link: https://lore.kernel.org/20260920-remove-pg_private-v5-12-bb68b6a21869@nvidia.com
Signed-off-by: Zi Yan <ziy@nvidia.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Reviewed-by: David Hildenbrand (Arm) <david@kernel.org>
Cc: Ilya Dryomov <idryomov@gmail.com>
Cc: Alex Markuze <amarkuze@redhat.com>
Cc: Viacheslav Dubeyko <slava@dubeyko.com>
---

 fs/ceph/addr.c |    8 +++-----
 1 file changed, 3 insertions(+), 5 deletions(-)

--- a/fs/ceph/addr.c~ceph-replace-pageprivate-with-page_private
+++ a/fs/ceph/addr.c
@@ -70,9 +70,7 @@ static int ceph_netfs_check_write_begin(
 
 static inline struct ceph_snap_context *page_snap_context(struct page *page)
 {
-	if (PagePrivate(page))
-		return (void *)page->private;
-	return NULL;
+	return (void *)page_private(page);
 }
 
 /*
@@ -124,8 +122,8 @@ static bool ceph_dirty_folio(struct addr
 	spin_unlock(&ci->i_ceph_lock);
 
 	/*
-	 * Reference snap context in folio->private.  Also set
-	 * PagePrivate so that we get invalidate_folio callback.
+	 * Reference snap context in folio->private. Setting folio->private is
+	 * what gets us the invalidate_folio callback.
 	 */
 	VM_WARN_ON_FOLIO(folio->private, folio);
 	folio_attach_private(folio, snapc);
_

Patches currently in -mm which might be from ziy@nvidia.com are

mm-zsmalloc-replace-pg_private-with-pointer-comparison.patch
perf-ring_buffer-stop-using-pg_private-as-aux-page-high-order-marker.patch
xen-grant-table-stop-setting-pg_private-on-pages-for-grant-mapping.patch
fscrypt-stop-setting-pg_private-on-bounce-page.patch
mm-hugetlb-use-direct-assignment-instead-of-folio_change_private.patch
f2fs-stop-using-pg_private.patch
f2fs-convert-the-private-flag-helpers-to-folio-only.patch
erofs-mm-pagemap-add-readahead_folio_last-to-avoid-folio-private.patch
erofs-use-folio_attach-detach_private-instead-of-direct-assignment.patch
mm-page-flags-check-page-folio-private-instead-of-pg_private.patch
treewide-remove-folio_set-clear_private-usage.patch
ceph-replace-pageprivate-with-page_private.patch
treewide-remove-pageprivate-and-pg_private-from-comments-and-docs.patch
mm-page-flags-remove-pg_private.patch
usb-gadgetfs-do-not-warn-about-excessively-large-memory-allocations.patch