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 3686B86337 for ; Thu, 5 Jun 2025 06:05:35 +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=1749103536; cv=none; b=kNclSJlKKhgypM5jhKZ6tDnGLWNEuf5NL8Nt9QFBrH2zRqymaKaSm//IUL2X6wC7JvdgWtqrT5P29ktfY9h8PlQV+lndUbboXy6P+ZUl11LjULdfz4odpkWTL8dxBa9wixRU/9ckuHzFH1zUIpkIF/LtNCMWgLKDWoWMWa5qmXY= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1749103536; c=relaxed/simple; bh=iqOZwUe75K/fo0Ralz52fACSYkJI3UkeGHz+lqNeLjo=; h=Date:To:From:Subject:Message-Id; b=cIjLHyA3SHzfoqkDbMMQWB3yM9ng3Yw3zZ5vNLfV/+hrfkbDFgCeh1+fzyqYMEbqSbskAl5JHd0UuzsxXuwBsajk2Ni1ruWr5H40RsiLYbVOiEAPHttbnu9s2IFt5Yq6n63RAX33lhUPWBs4y1v8URbaqqz9uIjnASsFl/FyNU0= 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=hSBdGROX; 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="hSBdGROX" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 3B686C4CEE7; Thu, 5 Jun 2025 06:05:35 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linux-foundation.org; s=korg; t=1749103535; bh=iqOZwUe75K/fo0Ralz52fACSYkJI3UkeGHz+lqNeLjo=; h=Date:To:From:Subject:From; b=hSBdGROX3dSNC2Ylu4qBjvFASp5fUtxORT1SOBqK45N3QGGYfaqlTGAT1su155z4B 06tRJDLyalGVrQyEOV4BkDSEKVYYv871zCRSuLV12+TrjtPWz/ixTulstGDCWUG7rY 2tbDi1M+OoQNazkKChu5VFHcBbdPJLEkS5MUiiDs= Date: Wed, 04 Jun 2025 23:05:34 -0700 To: mm-commits@vger.kernel.org,zokeefe@google.com,ziy@nvidia.com,yang@os.amperecomputing.com,willy@infradead.org,will@kernel.org,wangkefeng.wang@huawei.com,vishal.moola@gmail.com,usamaarif642@gmail.com,tiwai@suse.de,thomas.hellstrom@linux.intel.com,surenb@google.com,sunnanyong@huawei.com,ryan.roberts@arm.com,rostedt@goodmis.org,rientjes@google.com,rdunlap@infradead.org,raquini@redhat.com,peterx@redhat.com,npache@redhat.com,mhocko@suse.com,mhiramat@kernel.org,mathieu.desnoyers@efficios.com,lorenzo.stoakes@oracle.com,liam.howlett@oracle.com,kirill.shutemov@linux.intel.com,jack@suse.cz,hannes@cmpxchg.org,dev.jain@arm.com,david@redhat.com,corbet@lwn.net,cl@gentwo.org,catalin.marinas@arm.com,baohua@kernel.org,anshuman.khandual@arm.com,aarcange@redhat.com,baolin.wang@linux.alibaba.com,akpm@linux-foundation.org From: Andrew Morton Subject: [withdrawn] mm-khugepaged-allow-khugepaged-to-check-all-anonymous-mthp-orders.patch removed from -mm tree Message-Id: <20250605060535.3B686C4CEE7@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: khugepaged: allow khugepaged to check all anonymous mTHP orders has been removed from the -mm tree. Its filename was mm-khugepaged-allow-khugepaged-to-check-all-anonymous-mthp-orders.patch This patch was dropped because it was withdrawn ------------------------------------------------------ From: Baolin Wang Subject: mm: khugepaged: allow khugepaged to check all anonymous mTHP orders Date: Wed, 28 May 2025 20:31:46 +0800 We have now allowed mTHP collapse, but thp_vma_allowable_order() still only checks if the PMD-sized mTHP is allowed to collapse. This prevents scanning and collapsing of 64K mTHP when only 64K mTHP is enabled. Thus, we should modify the checks to allow all large orders of anonymous mTHP. Link: https://lkml.kernel.org/r/ac9ed6d71b439611f9c94b3506a8ce975d4636e9.1748435162.git.baolin.wang@linux.alibaba.com Signed-off-by: Baolin Wang Cc: Andrea Arcangeli Cc: Anshuman Khandual Cc: Barry Song Cc: Catalin Marinas Cc: Christoph Lameter (Ampere) Cc: David Hildenbrand Cc: David Rientjes Cc: Dev Jain Cc: Jan Kara Cc: Johannes Weiner Cc: Jonathan Corbet Cc: Kefeng Wang Cc: Kirill A. Shuemov Cc: Liam Howlett Cc: Lorenzo Stoakes Cc: Mariano Pache Cc: "Masami Hiramatsu (Google)" Cc: Mathieu Desnoyers Cc: Matthew Wilcox (Oracle) Cc: Michal Hocko Cc: Nanyong Sun Cc: Peter Xu Cc: Rafael Aquini Cc: Randy Dunlap Cc: Reported-by:Takashi Iwai Cc: Ryan Roberts Cc: Steven Rostedt Cc: Suren Baghdasaryan Cc: Thomas Hellstrom Cc: Usama Arif Cc: Vishal Moola (Oracle) Cc: Will Deacon Cc: Yang Shi Cc: Zach O'Keefe Cc: Zi Yan Signed-off-by: Andrew Morton --- mm/khugepaged.c | 13 +++++++++---- 1 file changed, 9 insertions(+), 4 deletions(-) --- a/mm/khugepaged.c~mm-khugepaged-allow-khugepaged-to-check-all-anonymous-mthp-orders +++ a/mm/khugepaged.c @@ -474,8 +474,11 @@ void khugepaged_enter_vma(struct vm_area { if (!test_bit(MMF_VM_HUGEPAGE, &vma->vm_mm->flags) && hugepage_pmd_enabled()) { - if (thp_vma_allowable_order(vma, vm_flags, TVA_ENFORCE_SYSFS, - PMD_ORDER)) + unsigned long orders = vma_is_anonymous(vma) ? + THP_ORDERS_ALL_ANON : BIT(PMD_ORDER); + + if (thp_vma_allowable_orders(vma, vm_flags, TVA_ENFORCE_SYSFS, + orders)) __khugepaged_enter(vma->vm_mm); } } @@ -2399,6 +2402,8 @@ static unsigned int khugepaged_scan_mm_s vma_iter_init(&vmi, mm, khugepaged_scan.address); for_each_vma(vmi, vma) { + unsigned long orders = vma_is_anonymous(vma) ? + THP_ORDERS_ALL_ANON : BIT(PMD_ORDER); unsigned long hstart, hend; cond_resched(); @@ -2406,8 +2411,8 @@ static unsigned int khugepaged_scan_mm_s progress++; break; } - if (!thp_vma_allowable_order(vma, vma->vm_flags, - TVA_ENFORCE_SYSFS, PMD_ORDER)) { + if (!thp_vma_allowable_orders(vma, vma->vm_flags, + TVA_ENFORCE_SYSFS, orders)) { skip: progress++; continue; _ Patches currently in -mm which might be from baolin.wang@linux.alibaba.com are mm-khugepaged-kick-khugepaged-for-enabling-none-pmd-sized-mthps.patch mm-fix-the-inaccurate-memory-statistics-issue-for-users.patch