From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from lists.ozlabs.org (lists.ozlabs.org [112.213.38.117]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 2FCDBFD9E3A for ; Fri, 27 Feb 2026 20:10:36 +0000 (UTC) Received: from boromir.ozlabs.org (localhost [127.0.0.1]) by lists.ozlabs.org (Postfix) with ESMTP id 4fMzwB4JfSz3bkq; Sat, 28 Feb 2026 07:10:34 +1100 (AEDT) Authentication-Results: lists.ozlabs.org; arc=none smtp.remote-ip=172.234.252.31 ARC-Seal: i=1; a=rsa-sha256; d=lists.ozlabs.org; s=201707; t=1772223034; cv=none; b=ewy4Wh4AnyIZaUnPa1UB6JvPvoLguT0FexiFR52iW81apQmL8xA6fSHdKGFmawDcSGu0tbeFrJLeDV40e0SSlSBDPGwwDO1LwZwfBlPRnrcl/2sgTC2etZzNqdQl+4vng2Ejt4Qgu4PR2oEjqYIFtdREGncATkJ+P6wqjE+qi8HFl84deTQvgGZr5LktlarzDeIGkKFG8kFQSfnkfUAop8YrEP+i1QhmWZ1tWF5IqncxGAXRhKKKZCXVFEafybNNMeSr3cLJDrFH34MKj4WPvJVi+sf3W9420U3PLKY+ifulq3/GsxlomXKi7rpCL/Ue/Hqw1MpnN4rG587+FrBp4w== ARC-Message-Signature: i=1; a=rsa-sha256; d=lists.ozlabs.org; s=201707; t=1772223034; c=relaxed/relaxed; bh=adBcRZ6N/feIVBkm9Rv6T28TMxfba+nAFWMcJGZNc9E=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=J/b/sijmf5acPG7alO0zcfSNvSw1oOiWCf/BhCmO+aF57RzfRmoyK9Bdn7oWcC7TKyhdidCto39sfiaVWzacPeMPpZX/aNTuIz2K5vBn9/cLKnIdQneMphLezGlEwFBTVUDwr3dGZplsEvqnqglj+1bzjo9LRewvynXqjvbttveZQAz9kUm9CDMj3ajQWUZqCaJY/HCkKuS/IqChBd24bCIywfvNy2XTv9vO9D0rcihU5m0ip0bomIyIqEqGdtYuqmXZ+dznDYe2WfS2MYwDvs0o6o1smr+UYOWMfQ1ubT1heA3kVQS7jAEbn1qbt+zH7n3FzsLxoqtRQ9iYtRnJMw== ARC-Authentication-Results: i=1; lists.ozlabs.org; dmarc=pass (p=quarantine dis=none) header.from=kernel.org; dkim=pass (2048-bit key; unprotected) header.d=kernel.org header.i=@kernel.org header.a=rsa-sha256 header.s=k20201202 header.b=DBRHRg84; dkim-atps=neutral; spf=pass (client-ip=172.234.252.31; helo=sea.source.kernel.org; envelope-from=david@kernel.org; receiver=lists.ozlabs.org) smtp.mailfrom=kernel.org Authentication-Results: lists.ozlabs.org; dmarc=pass (p=quarantine dis=none) header.from=kernel.org Authentication-Results: lists.ozlabs.org; dkim=pass (2048-bit key; unprotected) header.d=kernel.org header.i=@kernel.org header.a=rsa-sha256 header.s=k20201202 header.b=DBRHRg84; dkim-atps=neutral Authentication-Results: lists.ozlabs.org; spf=pass (sender SPF authorized) smtp.mailfrom=kernel.org (client-ip=172.234.252.31; helo=sea.source.kernel.org; envelope-from=david@kernel.org; receiver=lists.ozlabs.org) Received: from sea.source.kernel.org (sea.source.kernel.org [172.234.252.31]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange x25519) (No client certificate requested) by lists.ozlabs.org (Postfix) with ESMTPS id 4fMzw9422Zz3bjb for ; Sat, 28 Feb 2026 07:10:33 +1100 (AEDT) Received: from smtp.kernel.org (transwarp.subspace.kernel.org [100.75.92.58]) by sea.source.kernel.org (Postfix) with ESMTP id 4A4DA432F8; Fri, 27 Feb 2026 20:10:31 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 7E5E5C2BCB0; Fri, 27 Feb 2026 20:10:15 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1772223031; bh=GDIsuZYm2zKYxLFzdJGIwkOaoBFqEdMRlEhHeQ3/4/c=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=DBRHRg84mUFFa5j1Ap08A/NiDuF3TUvfcRS7C3+9hv775NpD/8NroucXGTumCDp/q yrfW9Y3j7L6NHLbxDVoLPnwidDlbqQx43JL5ql1ycR4JGKaqhcycHzZzwNzJlcvc02 dllhdtIOUZfDuMDJj+LoTseNq6O5uagn4G64tCcqE5fAIbrOu0ko0XkUr7ircdpbQh bXRyXmVj6xEUhwSFjMMxmlipUHZ264tacuMAwtSvAd5grFuLAF6s73NejFFuX4hEaz JPFck19AXo77usRat6V50+er5SScDpOmDuKTSvIT6gz+N5E8JF7nu9dERR/ctItvMT m5GfMgiKzWHMQ== From: "David Hildenbrand (Arm)" To: linux-kernel@vger.kernel.org Cc: "linux-mm @ kvack . org" , "David Hildenbrand (Arm)" , Andrew Morton , Lorenzo Stoakes , "Liam R. Howlett" , Vlastimil Babka , Mike Rapoport , Suren Baghdasaryan , Michal Hocko , Jann Horn , Pedro Falcato , David Rientjes , Shakeel Butt , "Matthew Wilcox (Oracle)" , Alice Ryhl , Madhavan Srinivasan , Michael Ellerman , Christian Borntraeger , Janosch Frank , Claudio Imbrenda , Alexander Gordeev , Gerald Schaefer , Heiko Carstens , Vasily Gorbik , Jarkko Sakkinen , Thomas Gleixner , Ingo Molnar , Borislav Petkov , Greg Kroah-Hartman , =?UTF-8?q?Arve=20Hj=C3=B8nnev=C3=A5g?= , Todd Kjos , Christian Brauner , Carlos Llamas , Ian Abbott , H Hartley Sweeten , Jani Nikula , Joonas Lahtinen , Rodrigo Vivi , Tvrtko Ursulin , David Airlie , Simona Vetter , Jason Gunthorpe , Leon Romanovsky , Dimitri Sivanich , Arnd Bergmann , Alexei Starovoitov , Daniel Borkmann , Andrii Nakryiko , Peter Zijlstra , Arnaldo Carvalho de Melo , Namhyung Kim , Andy Lutomirski , Vincenzo Frascino , Eric Dumazet , Neal Cardwell , "David S. Miller" , David Ahern , Jakub Kicinski , Paolo Abeni , Miguel Ojeda , linuxppc-dev@lists.ozlabs.org, kvm@vger.kernel.org, linux-s390@vger.kernel.org, linux-sgx@vger.kernel.org, intel-gfx@lists.freedesktop.org, dri-devel@lists.freedesktop.org, linux-rdma@vger.kernel.org, bpf@vger.kernel.org, linux-perf-users@vger.kernel.org, linux-fsdevel@vger.kernel.org, netdev@vger.kernel.org, rust-for-linux@vger.kernel.org, x86@kernel.org Subject: [PATCH v1 05/16] mm/oom_kill: use MMU_NOTIFY_CLEAR in __oom_reap_task_mm() Date: Fri, 27 Feb 2026 21:08:36 +0100 Message-ID: <20260227200848.114019-6-david@kernel.org> X-Mailer: git-send-email 2.43.0 In-Reply-To: <20260227200848.114019-1-david@kernel.org> References: <20260227200848.114019-1-david@kernel.org> X-Mailing-List: linuxppc-dev@lists.ozlabs.org List-Id: List-Help: List-Owner: List-Post: List-Archive: , List-Subscribe: , , List-Unsubscribe: Precedence: list MIME-Version: 1.0 Content-Transfer-Encoding: 8bit In commit 7269f999934b ("mm/mmu_notifier: use correct mmu_notifier events for each invalidation") we converted all MMU_NOTIFY_UNMAP to MMU_NOTIFY_CLEAR, except the ones that actually perform munmap() or mremap() as documented. __oom_reap_task_mm() behaves much more like MADV_DONTNEED. So use MMU_NOTIFY_CLEAR as well. This is a preparation for further changes. Signed-off-by: David Hildenbrand (Arm) --- mm/oom_kill.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/mm/oom_kill.c b/mm/oom_kill.c index 5c6c95c169ee..0ba56fcd10d5 100644 --- a/mm/oom_kill.c +++ b/mm/oom_kill.c @@ -551,7 +551,7 @@ static bool __oom_reap_task_mm(struct mm_struct *mm) struct mmu_notifier_range range; struct mmu_gather tlb; - mmu_notifier_range_init(&range, MMU_NOTIFY_UNMAP, 0, + mmu_notifier_range_init(&range, MMU_NOTIFY_CLEAR, 0, mm, vma->vm_start, vma->vm_end); tlb_gather_mmu(&tlb, mm); -- 2.43.0