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 1C1D8347BD4 for ; Sat, 21 Mar 2026 18:10:49 +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=1774116650; cv=none; b=QHr9VPQ1Q8xECmrIMX3W6O9zOhXyw9aloCJ5Ziz4eupnhEYP7417GmDMG7iQ3F+mE9G3Z7P0teQ3imDOkLGEKDxG/b1OysKKab/+h6+9DVwSfonOIGHBuRDPK6TmjEYtSiSDwX70M2ZkPv/V4u3KpcOZb0uPUQQ0Yub74YkNCsY= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1774116650; c=relaxed/simple; bh=DiKpmyruVrGXbQlug8Y/ETP7IQHeyvEsPUIPgZPJXTg=; h=Date:To:From:Subject:Message-Id; b=sf7Oko0KROQNgYnzCR/L0ezHPv9YR8MyY1kQeq5I4q85fz7UF4n+jLl920dPs4+mYFEpGSKDnO4Z1JtTWt3c2bDfDESJIrvOWLHShvlVvEgjKCsGjs7pLXcyYbveKoYx3XRhD+O9da4QUgZSvxNt0ggmqKLTQp2LRea7O4+e4sw= 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=XABHYa9t; 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="XABHYa9t" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 163C4C2BCAF; Sat, 21 Mar 2026 18:10:49 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linux-foundation.org; s=korg; t=1774116649; bh=DiKpmyruVrGXbQlug8Y/ETP7IQHeyvEsPUIPgZPJXTg=; h=Date:To:From:Subject:From; b=XABHYa9t+wEPj2weLT7iSCeRt6BqXS0msL15sVr9ANb8fXlg4oMiAdCm5y+M9ojKo 5ug7Ue8rFAang/dLkHnj8yxSBcBPHZUcBMygtYdolx5SyE2sAHKxonwJ0VzSMJgWJ8 N4LnCfvkirbX1h34oDGgb8Z5roXlIhR8HNUWay7E= Date: Sat, 21 Mar 2026 11:10:48 -0700 To: mm-commits@vger.kernel.org,surenb@google.com,rppt@kernel.org,ritesh.list@gmail.com,mhocko@suse.com,ljs@kernel.org,liam.howlett@oracle.com,david@kernel.org,baolin.wang@linux.alibaba.com,akpm@linux-foundation.org From: Andrew Morton Subject: + mm-change-to-return-bool-for-pudp_test_and_clear_young.patch added to mm-new branch Message-Id: <20260321181049.163C4C2BCAF@smtp.kernel.org> Precedence: bulk X-Mailing-List: mm-commits@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: The patch titled Subject: mm: change to return bool for pudp_test_and_clear_young() has been added to the -mm mm-new branch. Its filename is mm-change-to-return-bool-for-pudp_test_and_clear_young.patch This patch will shortly appear at https://git.kernel.org/pub/scm/linux/kernel/git/akpm/25-new.git/tree/patches/mm-change-to-return-bool-for-pudp_test_and_clear_young.patch This patch will later appear in the mm-new branch at git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm Note, mm-new is a provisional staging ground for work-in-progress patches, and acceptance into mm-new is a notification for others take notice and to finish up reviews. Please do not hesitate to respond to review feedback and post updated versions to replace or incrementally fixup patches in mm-new. The mm-new branch of mm.git is not included in linux-next If a few days of testing in mm-new is successful, the patch will me moved into mm.git's mm-unstable branch, which is included in linux-next 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: Baolin Wang Subject: mm: change to return bool for pudp_test_and_clear_young() Date: Sat, 21 Mar 2026 14:42:53 +0800 The pudp_test_and_clear_young() is used to clear the young flag, returning whether the young flag was set for this PUD entry. Change the return type to bool to make the intention clearer. Link: https://lkml.kernel.org/r/2c56fe52c1bf9404145274d7e91d4a65060f6c7c.1774075004.git.baolin.wang@linux.alibaba.com Signed-off-by: Baolin Wang Reviewed-by: Ritesh Harjani (IBM) Reviewed-by: Lorenzo Stoakes (Oracle) Cc: David Hildenbrand Cc: Liam Howlett Cc: Michal Hocko Cc: Mike Rapoport Cc: Suren Baghdasaryan Signed-off-by: Andrew Morton --- arch/powerpc/include/asm/book3s/64/pgtable.h | 10 +++++----- arch/powerpc/mm/book3s64/pgtable.c | 4 ++-- arch/riscv/include/asm/pgtable.h | 4 ++-- arch/x86/include/asm/pgtable.h | 4 ++-- arch/x86/mm/pgtable.c | 6 +++--- 5 files changed, 14 insertions(+), 14 deletions(-) --- a/arch/powerpc/include/asm/book3s/64/pgtable.h~mm-change-to-return-bool-for-pudp_test_and_clear_young +++ a/arch/powerpc/include/asm/book3s/64/pgtable.h @@ -1172,13 +1172,13 @@ static inline bool __pmdp_test_and_clear return ((old & _PAGE_ACCESSED) != 0); } -static inline int __pudp_test_and_clear_young(struct mm_struct *mm, - unsigned long addr, pud_t *pudp) +static inline bool __pudp_test_and_clear_young(struct mm_struct *mm, + unsigned long addr, pud_t *pudp) { unsigned long old; if ((pud_raw(*pudp) & cpu_to_be64(_PAGE_ACCESSED | H_PAGE_HASHPTE)) == 0) - return 0; + return false; old = pud_hugepage_update(mm, addr, pudp, _PAGE_ACCESSED, 0); return ((old & _PAGE_ACCESSED) != 0); } @@ -1303,8 +1303,8 @@ extern int pudp_set_access_flags(struct bool pmdp_test_and_clear_young(struct vm_area_struct *vma, unsigned long address, pmd_t *pmdp); #define __HAVE_ARCH_PUDP_TEST_AND_CLEAR_YOUNG -extern int pudp_test_and_clear_young(struct vm_area_struct *vma, - unsigned long address, pud_t *pudp); +bool pudp_test_and_clear_young(struct vm_area_struct *vma, + unsigned long address, pud_t *pudp); #define __HAVE_ARCH_PMDP_HUGE_GET_AND_CLEAR --- a/arch/powerpc/mm/book3s64/pgtable.c~mm-change-to-return-bool-for-pudp_test_and_clear_young +++ a/arch/powerpc/mm/book3s64/pgtable.c @@ -104,8 +104,8 @@ bool pmdp_test_and_clear_young(struct vm return __pmdp_test_and_clear_young(vma->vm_mm, address, pmdp); } -int pudp_test_and_clear_young(struct vm_area_struct *vma, - unsigned long address, pud_t *pudp) +bool pudp_test_and_clear_young(struct vm_area_struct *vma, + unsigned long address, pud_t *pudp) { return __pudp_test_and_clear_young(vma->vm_mm, address, pudp); } --- a/arch/riscv/include/asm/pgtable.h~mm-change-to-return-bool-for-pudp_test_and_clear_young +++ a/arch/riscv/include/asm/pgtable.h @@ -1109,8 +1109,8 @@ static inline int pudp_set_access_flags( return ptep_set_access_flags(vma, address, (pte_t *)pudp, pud_pte(entry), dirty); } -static inline int pudp_test_and_clear_young(struct vm_area_struct *vma, - unsigned long address, pud_t *pudp) +static inline bool pudp_test_and_clear_young(struct vm_area_struct *vma, + unsigned long address, pud_t *pudp) { return ptep_test_and_clear_young(vma, address, (pte_t *)pudp); } --- a/arch/x86/include/asm/pgtable.h~mm-change-to-return-bool-for-pudp_test_and_clear_young +++ a/arch/x86/include/asm/pgtable.h @@ -1297,8 +1297,8 @@ extern int pudp_set_access_flags(struct #define __HAVE_ARCH_PMDP_TEST_AND_CLEAR_YOUNG bool pmdp_test_and_clear_young(struct vm_area_struct *vma, unsigned long addr, pmd_t *pmdp); -extern int pudp_test_and_clear_young(struct vm_area_struct *vma, - unsigned long addr, pud_t *pudp); +bool pudp_test_and_clear_young(struct vm_area_struct *vma, + unsigned long addr, pud_t *pudp); #define __HAVE_ARCH_PMDP_CLEAR_YOUNG_FLUSH bool pmdp_clear_flush_young(struct vm_area_struct *vma, --- a/arch/x86/mm/pgtable.c~mm-change-to-return-bool-for-pudp_test_and_clear_young +++ a/arch/x86/mm/pgtable.c @@ -470,10 +470,10 @@ bool pmdp_test_and_clear_young(struct vm #endif #ifdef CONFIG_TRANSPARENT_HUGEPAGE -int pudp_test_and_clear_young(struct vm_area_struct *vma, - unsigned long addr, pud_t *pudp) +bool pudp_test_and_clear_young(struct vm_area_struct *vma, + unsigned long addr, pud_t *pudp) { - int ret = 0; + bool ret = false; if (pud_young(*pudp)) ret = test_and_clear_bit(_PAGE_BIT_ACCESSED, _ Patches currently in -mm which might be from baolin.wang@linux.alibaba.com are mm-filemap-fix-nr_pages-calculation-overflow-in-filemap_map_pages.patch mm-use-inline-helper-functions-instead-of-ugly-macros.patch mm-rename-ptep-pmdp_clear_young_notify-to-ptep-pmdp_test_and_clear_young_notify.patch mm-rmap-add-a-zone_device-folio-warning-in-folio_referenced.patch mm-add-a-batched-helper-to-clear-the-young-flag-for-large-folios.patch mm-support-batched-checking-of-the-young-flag-for-mglru.patch arm64-mm-implement-the-architecture-specific-test_and_clear_young_ptes.patch mm-change-to-return-bool-for-ptep_test_and_clear_young.patch mm-change-to-return-bool-for-ptep_clear_flush_young-clear_flush_young_ptes.patch mm-change-to-return-bool-for-pmdp_test_and_clear_young.patch mm-change-to-return-bool-for-pmdp_clear_flush_young.patch mm-change-to-return-bool-for-pudp_test_and_clear_young.patch mm-change-to-return-bool-for-the-mmu-notifiers-young-flag-check.patch