From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-alma10-1.taild15c8.ts.net [100.103.45.18]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 19F12347BA7 for ; Mon, 21 Sep 2026 04:10:03 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=100.103.45.18 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1789963806; cv=none; b=PQeoYrde0DgKZ7W1ScSnbPPurywZUBUDPsebv2F/ie3opCzKxwS+UEi8+j8jUV6ptYRAYkLyqExeneDK8pl53kfSaO43UVvuxGLVWRHBv+5jWJoxYvYXmIqYBVrPQZXYWzMqW/02qxv6w3MwYLkWIQbR4WdqiznijZfpM7Liu7k= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1789963806; c=relaxed/simple; bh=J9fmraUkxUbpqiNYFWwVS2fO/EY4iBvdDUOTtEftFfg=; h=Date:To:From:Subject:Message-Id; b=INPpn3hEWVUoSqVRhbXgBj8BVLaYGDtilNBjKZAx4ILoA+21Ko7rlyn/7wxPSaJRX8mZ/4jv1rLmIOEXEexhUSo0NjReRqGYt4fN18SKNj5y0sz8/kdu5UtWOsj10dJ05GFm2EjCnXUz+YfbdEBAI+Z72uSljr+HamAsKsvIv2Y= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linux-foundation.org header.i=@linux-foundation.org header.b=LQkSFlU4; arc=none smtp.client-ip=100.103.45.18 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linux-foundation.org header.i=@linux-foundation.org header.b="LQkSFlU4" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 7930F1F000FF; Mon, 21 Sep 2026 04:10:03 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linux-foundation.org; s=korg; t=1789963803; bh=vaIOSI2EhgldLgFC7FF2JDR5oxiBoI/TB+z4nCyD8Vk=; h=Date:To:From:Subject; b=LQkSFlU4dTtfWiGwEt6hh0Kg5B6h+N0W3GIIPqAazPuQ9pFTVUhT7Aw8uPCnSThU7 vdRXpqRtCYo0gqsRw2fpIhvXt/JwQroKe5HxnZMXR36RYLJJCgPL/ZKI2ZjpKyHTeE 8RpmoazlQWq27kM/wjAnhbIMkRXKsvGJYefU2JW8= Date: Sun, 20 Sep 2026 21:10:03 -0700 To: mm-commits@vger.kernel.org,ziy@nvidia.com,akpm@linux-foundation.org From: Andrew Morton Subject: + treewide-remove-folio_set-clear_private-usage.patch added to mm-unstable branch Message-Id: <20260921041003.7930F1F000FF@smtp.kernel.org> Precedence: bulk X-Mailing-List: mm-commits@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: The patch titled Subject: treewide: remove folio_set/clear_private() usage has been added to the -mm mm-unstable branch. Its filename is treewide-remove-folio_set-clear_private-usage.patch This patch will shortly appear at https://git.kernel.org/pub/scm/linux/kernel/git/akpm/25-new.git/tree/patches/treewide-remove-folio_set-clear_private-usage.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 various branches at git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm and is updated there most days ------------------------------------------------------ From: Zi Yan Subject: treewide: remove folio_set/clear_private() usage Date: Sun, 20 Sep 2026 22:28:07 -0400 They are no-ops now. Remove them. Assisted-by: LLM Link: https://lore.kernel.org/20260920-remove-pg_private-v5-11-bb68b6a21869@nvidia.com Signed-off-by: Zi Yan Signed-off-by: Andrew Morton Acked-by: David Hildenbrand (Arm) Cc: Trond Myklebust Cc: Anna Schumaker Cc: "Matthew Wilcox (Oracle)" Cc: Jan Kara Cc: Matthew Brost Cc: Joshua Hahn Cc: Rakie Kim Cc: Byungchul Park Cc: Gregory Price Cc: Ying Huang Cc: Alistair Popple --- fs/nfs/write.c | 2 -- include/linux/pagemap.h | 4 +--- mm/migrate.c | 1 - 3 files changed, 1 insertion(+), 6 deletions(-) --- a/fs/nfs/write.c~treewide-remove-folio_set-clear_private-usage +++ a/fs/nfs/write.c @@ -717,7 +717,6 @@ static void nfs_inode_add_request(struct nfs_lock_request(req); spin_lock(&mapping->i_private_lock); set_bit(PG_MAPPED, &req->wb_flags); - folio_set_private(folio); folio->private = req; spin_unlock(&mapping->i_private_lock); atomic_long_inc(&nfsi->nrequests); @@ -745,7 +744,6 @@ static void nfs_inode_remove_request(str spin_lock(&mapping->i_private_lock); folio->private = NULL; - folio_clear_private(folio); clear_bit(PG_MAPPED, &req->wb_head->wb_flags); spin_unlock(&mapping->i_private_lock); --- a/include/linux/pagemap.h~treewide-remove-folio_set-clear_private-usage +++ a/include/linux/pagemap.h @@ -594,7 +594,6 @@ static inline void folio_attach_private( { folio_get(folio); folio->private = data; - folio_set_private(folio); } /** @@ -629,9 +628,8 @@ static inline void *folio_detach_private { void *data = folio_get_private(folio); - if (!folio_test_private(folio)) + if (!data) return NULL; - folio_clear_private(folio); folio->private = NULL; folio_put(folio); --- a/mm/migrate.c~treewide-remove-folio_set-clear_private-usage +++ a/mm/migrate.c @@ -835,7 +835,6 @@ void folio_migrate_flags(struct folio *n */ if (folio_test_swapcache(folio)) folio_clear_swapcache(folio); - folio_clear_private(folio); /* page->private contains hugetlb specific flags */ if (!folio_test_hugetlb(folio)) _ 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