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 44FD244BC9B; Fri, 27 Feb 2026 20:10:31 +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=1772223031; cv=none; b=VIjrF6QGsk40cwoeIIPwJGebThfK8j39V5x0oFS/RvXpxlgyOGa/JDHihK/j/xYwAuO0VEJ6pqDSAViBOyESGqTKlDKojEfKNNCbQja4fD5g4JCvz9GMS3pYwvqIhr8IVvaVuoprXCaxdgOXMbYoAonH9ejfrDzU2EF1vruegFo= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1772223031; c=relaxed/simple; bh=GDIsuZYm2zKYxLFzdJGIwkOaoBFqEdMRlEhHeQ3/4/c=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=c1shIr0kET9oVkkykXPbcaK0CXYZpBJ68wbQp+i8XYyFpk22i7aNmYMBFbD0ORfJAYWahTZQQySk/nxxN89ZPeC02dWut9sdoANQ5LPSiwe7E+zl5N4hHQ1DMSE+Ed3ZSWszCBjYJ2zM8o2fiGw3kGEq1lESDq9mgv2msgdieFM= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=DBRHRg84; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="DBRHRg84" 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> Precedence: bulk X-Mailing-List: netdev@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: 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