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 4F05F28467B for ; Thu, 10 Jul 2025 05:43:46 +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=1752126226; cv=none; b=FqOw1s2CvaxvmZMbf1ZTfrblGn+IZXsHxabuFO5ZfoRlZxsTBWT9q2E6NbYJQ1+ZOOBoemahphZA16k/OfYxUMyNL8no+TN1Wmkma3J3i1zvvQoSRnqJI6txkGNOC0Y1zxZ8XADBiOM+y0EmNUEgJJgQfiJBOjgmn6+J8OuVzfU= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1752126226; c=relaxed/simple; bh=xgHWFG+cSph3nkKsL0Bxscb+W4dpamSeLbgA65j0I38=; h=Date:To:From:Subject:Message-Id; b=nyfUqMzmnp5pnKXhu8f9jehAHyToRu+RoLrhnKSP4qRtS66489r7fsm5nV3CE9ubfrd7GEFR02XTeMtugKqOm3eYvdoq90px0luJ64IsFP8qXkEqXV3HExo5k0cwfOQy5iO7Hng8Q7e7qsW/+jQuE+s7bnGWhHapPSGskRUD0JY= 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=JoJ/OI1m; 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="JoJ/OI1m" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 19CEFC4CEE3; Thu, 10 Jul 2025 05:43:46 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linux-foundation.org; s=korg; t=1752126226; bh=xgHWFG+cSph3nkKsL0Bxscb+W4dpamSeLbgA65j0I38=; h=Date:To:From:Subject:From; b=JoJ/OI1mvGXRMec4fmZkl6xVCQZ3ZF6+iUP4CbXjx4qhTT5kwaRvYO436fjQr2m9I fY5U/8O7/zwMWbVIHMLLNScsfVONA1PL07V8DL0vbdsoYjyYeNocCnWw6Vb2+vNgOu AZ9PLkWW8107qMIT+Yk8EgWo+Xnl2QOYqE0Rl/iE= Date: Wed, 09 Jul 2025 22:43:45 -0700 To: mm-commits@vger.kernel.org,zhengtangquan@oppo.com,vbabka@suse.cz,surenb@google.com,ryan.roberts@arm.com,osalvador@suse.de,lorenzo.stoakes@oracle.com,lokeshgidra@google.com,Liam.Howlett@oracle.com,jannh@google.com,harry.yoo@oracle.com,dev.jain@arm.com,david@redhat.com,anshuman.khandual@arm.com,v-songbaohua@oppo.com,akpm@linux-foundation.org From: Andrew Morton Subject: [merged mm-stable] mm-madvise-use-walk_page_range_vma-instead-of-walk_page_range.patch removed from -mm tree Message-Id: <20250710054346.19CEFC4CEE3@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: madvise: use walk_page_range_vma() instead of walk_page_range() has been removed from the -mm tree. Its filename was mm-madvise-use-walk_page_range_vma-instead-of-walk_page_range.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: Barry Song Subject: mm: madvise: use walk_page_range_vma() instead of walk_page_range() Date: Thu, 5 Jun 2025 20:31:44 +1200 We've already found the VMA within madvise_walk_vmas() before calling specific madvise behavior functions like madvise_free_single_vma(). So calling walk_page_range() and doing find_vma() again seems unnecessary. It also prevents potential optimizations in those madvise callbacks, particularly the use of dedicated per-VMA locking. [v-songbaohua@oppo.com: revert the walk_page_range_vma change for MADV_GUARD_INSTALL] Link: https://lkml.kernel.org/r/20250609105513.10901-1-21cnbao@gmail.com Link: https://lkml.kernel.org/r/20250605083144.43046-1-21cnbao@gmail.com Signed-off-by: Barry Song Reviewed-by: Anshuman Khandual Reviewed-by: Lorenzo Stoakes Acked-by: David Hildenbrand Reviewed-by: Oscar Salvador Reviewed-by: Harry Yoo Reviewed-by: Dev Jain Reviewed-by: Vlastimil Babka Reviewed-by: Ryan Roberts Tested-by: Lorenzo Stoakes Cc: "Liam R. Howlett" Cc: Jann Horn Cc: Suren Baghdasaryan Cc: Lokesh Gidra Cc: Tangquan Zheng Signed-off-by: Andrew Morton --- mm/madvise.c | 10 +++++----- 1 file changed, 5 insertions(+), 5 deletions(-) --- a/mm/madvise.c~mm-madvise-use-walk_page_range_vma-instead-of-walk_page_range +++ a/mm/madvise.c @@ -282,7 +282,7 @@ static long madvise_willneed(struct vm_a *prev = vma; #ifdef CONFIG_SWAP if (!file) { - walk_page_range(vma->vm_mm, start, end, &swapin_walk_ops, vma); + walk_page_range_vma(vma, start, end, &swapin_walk_ops, vma); lru_add_drain(); /* Push any new pages onto the LRU now */ return 0; } @@ -582,7 +582,7 @@ static void madvise_cold_page_range(stru }; tlb_start_vma(tlb, vma); - walk_page_range(vma->vm_mm, addr, end, &cold_walk_ops, &walk_private); + walk_page_range_vma(vma, addr, end, &cold_walk_ops, &walk_private); tlb_end_vma(tlb, vma); } @@ -620,7 +620,7 @@ static void madvise_pageout_page_range(s }; tlb_start_vma(tlb, vma); - walk_page_range(vma->vm_mm, addr, end, &cold_walk_ops, &walk_private); + walk_page_range_vma(vma, addr, end, &cold_walk_ops, &walk_private); tlb_end_vma(tlb, vma); } @@ -827,7 +827,7 @@ static int madvise_free_single_vma(struc mmu_notifier_invalidate_range_start(&range); tlb_start_vma(tlb, vma); - walk_page_range(vma->vm_mm, range.start, range.end, + walk_page_range_vma(vma, range.start, range.end, &madvise_free_walk_ops, tlb); tlb_end_vma(tlb, vma); mmu_notifier_invalidate_range_end(&range); @@ -1246,7 +1246,7 @@ static long madvise_guard_remove(struct if (!is_valid_guard_vma(vma, /* allow_locked = */true)) return -EINVAL; - return walk_page_range(vma->vm_mm, start, end, + return walk_page_range_vma(vma, start, end, &guard_remove_walk_ops, NULL); } _ Patches currently in -mm which might be from v-songbaohua@oppo.com are