From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (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 0DD3C364053 for ; Tue, 24 Mar 2026 21:43:10 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1774388590; cv=none; b=HcxhIZedXGRYkSlo1TBd/8OUHtdllcxJWTq4EcA2nvUGCNyZeZQ32DrV7wsXEIG1vo8e3ea2D7hg/8ul7ju6khg1+ILfd9YsqTBWFHDUyictvTmG0PUUflQZUAXJ1fuTsJAOO263/tRteJvZdgSkphtYdqoWwgBcc60ONtWNDZA= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1774388590; c=relaxed/simple; bh=z1NishS7oKniWh+/BwHejlxzTZa417w9wgnWR5hfPG4=; h=Date:To:From:Subject:Message-Id; b=Xvg+ckPEZXEVfo0BFnAtNh2xzCVkodHsi7z/094SQeBVEzV+ZFgjtcbX3rrnG22bNM1x3WD2pQA6GbT3NkZDEb3Uc1e0nMXzTKPKciBiewEc2ajdTb7oBLvErbUjasS1RKNU6MUt+OYOGrxebf/7DK44tvnX4+yjt0UKr/ok2fM= 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=ClzMGUAG; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linux-foundation.org header.i=@linux-foundation.org header.b="ClzMGUAG" Received: by smtp.kernel.org (Postfix) with ESMTPSA id DC89DC19424; Tue, 24 Mar 2026 21:43:09 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linux-foundation.org; s=korg; t=1774388589; bh=z1NishS7oKniWh+/BwHejlxzTZa417w9wgnWR5hfPG4=; h=Date:To:From:Subject:From; b=ClzMGUAGDXz+IeFSz3HhJOhgL/B61sQlXWVVjYOUcfP2+ENyhV3vvTbVISMmFLxpf EkEmcT2Rkr3Uqq6az/WI4RFuumOh4eFjewOhgahR/yS1rc+q9HTxM2dWr+lvLhzAz7 2arf+s30oBbnr0Xh01XSatkWdtjAACwLVWk9Tb5A= Date: Tue, 24 Mar 2026 14:43:09 -0700 To: mm-commits@vger.kernel.org,ziy@nvidia.com,ryan.roberts@arm.com,rostedt@goodmis.org,npache@redhat.com,mhiramat@kernel.org,mathieu.desnoyers@efficios.com,lorenzo.stoakes@oracle.com,Liam.Howlett@oracle.com,lance.yang@linux.dev,dev.jain@arm.com,david@kernel.org,baolin.wang@linux.alibaba.com,baohua@kernel.org,yanglincheng@kylinos.cn,akpm@linux-foundation.org From: Andrew Morton Subject: [merged mm-stable] mm-add-folio_test_lazyfree-helper.patch removed from -mm tree Message-Id: <20260324214309.DC89DC19424@smtp.kernel.org> Precedence: bulk X-Mailing-List: mm-commits@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: The quilt patch titled Subject: mm: add folio_test_lazyfree helper has been removed from the -mm tree. Its filename was mm-add-folio_test_lazyfree-helper.patch This patch was dropped because it was merged into the mm-stable branch of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm ------------------------------------------------------ From: Vernon Yang Subject: mm: add folio_test_lazyfree helper Date: Sat, 21 Feb 2026 17:39:17 +0800 Add folio_test_lazyfree() function to identify lazy-free folios to improve code readability. Link: https://lkml.kernel.org/r/20260221093918.1456187-4-vernon2gm@gmail.com Signed-off-by: Vernon Yang Acked-by: David Hildenbrand (Red Hat) Reviewed-by: Lance Yang Reviewed-by: Dev Jain Reviewed-by: Barry Song Cc: Baolin Wang Cc: Liam Howlett Cc: Lorenzo Stoakes Cc: Masami Hiramatsu Cc: Mathieu Desnoyers Cc: Nico Pache Cc: Ryan Roberts Cc: Steven Rostedt Cc: Zi Yan Signed-off-by: Andrew Morton --- include/linux/page-flags.h | 5 +++++ mm/rmap.c | 2 +- mm/vmscan.c | 5 ++--- 3 files changed, 8 insertions(+), 4 deletions(-) --- a/include/linux/page-flags.h~mm-add-folio_test_lazyfree-helper +++ a/include/linux/page-flags.h @@ -724,6 +724,11 @@ static __always_inline bool folio_test_a return ((unsigned long)folio->mapping & FOLIO_MAPPING_ANON) != 0; } +static __always_inline bool folio_test_lazyfree(const struct folio *folio) +{ + return folio_test_anon(folio) && !folio_test_swapbacked(folio); +} + static __always_inline bool PageAnonNotKsm(const struct page *page) { unsigned long flags = (unsigned long)page_folio(page)->mapping; --- a/mm/rmap.c~mm-add-folio_test_lazyfree-helper +++ a/mm/rmap.c @@ -2060,7 +2060,7 @@ static bool try_to_unmap_one(struct foli } if (!pvmw.pte) { - if (folio_test_anon(folio) && !folio_test_swapbacked(folio)) { + if (folio_test_lazyfree(folio)) { if (unmap_huge_pmd_locked(vma, pvmw.address, pvmw.pmd, folio)) goto walk_done; /* --- a/mm/vmscan.c~mm-add-folio_test_lazyfree-helper +++ a/mm/vmscan.c @@ -963,8 +963,7 @@ static void folio_check_dirty_writeback( * They could be mistakenly treated as file lru. So further anon * test is needed. */ - if (!folio_is_file_lru(folio) || - (folio_test_anon(folio) && !folio_test_swapbacked(folio))) { + if (!folio_is_file_lru(folio) || folio_test_lazyfree(folio)) { *dirty = false; *writeback = false; return; @@ -1508,7 +1507,7 @@ retry: } } - if (folio_test_anon(folio) && !folio_test_swapbacked(folio)) { + if (folio_test_lazyfree(folio)) { /* follow __remove_mapping for reference */ if (!folio_ref_freeze(folio, 1)) goto keep_locked; _ Patches currently in -mm which might be from yanglincheng@kylinos.cn are