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 2F0D72E659; Sat, 19 Jul 2025 23:18:49 +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=1752967129; cv=none; b=aIIOtKfCMXTKv8mEkzazD5zWM0o0X9FTRC+C5ukJ3+Dw5Shwa1R6FEQFxpPWeU9nBh2MkCzx8ph9pNk/Srk+v5+DHTt8CLOZdFXSyTvnVA144uUXdfagC2TYmV8A2/zPsss7RLnko1I+BV47u6wzY5H26ou6EyDYK0ZQzRxFsMk= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1752967129; c=relaxed/simple; bh=HyoTfwEg4C9wFU+VWZw2N+JdhbGSMa6Fwx18HRuaSdw=; h=Date:From:To:Cc:Subject:Message-Id:In-Reply-To:References: Mime-Version:Content-Type; b=k8gHF1ceehBqK4qmK69qzPxvDZSFtMSdu6YriS8xzcMPI73G5X7nijV3+bA0XIpMLZAuYz2yxR48NvAVCIU2IFoE4xMeh7gZl+qjJiPZJ9lbzjyvHvyaAur3gvwL/8guhq5j8TQYyrpOh0v1OReIHTUTLeXU7iLCUitE5JkdfeY= 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=kHZjQLdQ; 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="kHZjQLdQ" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 20885C4CEE3; Sat, 19 Jul 2025 23:18:48 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linux-foundation.org; s=korg; t=1752967129; bh=HyoTfwEg4C9wFU+VWZw2N+JdhbGSMa6Fwx18HRuaSdw=; h=Date:From:To:Cc:Subject:In-Reply-To:References:From; b=kHZjQLdQm8Xd5WDVH+rbSCpn4w/crzJeE7U0jVXaAHh85IQb4ymFyKBdkdb2JtxgA IV0yh3LTSj+yqNFLN3FGXtRnfnCuMF4hi2YhV/1zB5NTX6RJ53fTleakMXnP4t9kuP E2riMY89gRTBvzLWewW0lNyvJDahQVYHYbysuiSA= Date: Sat, 19 Jul 2025 16:18:47 -0700 From: Andrew Morton To: Suren Baghdasaryan Cc: Liam.Howlett@oracle.com, lorenzo.stoakes@oracle.com, david@redhat.com, vbabka@suse.cz, peterx@redhat.com, jannh@google.com, hannes@cmpxchg.org, mhocko@kernel.org, paulmck@kernel.org, shuah@kernel.org, adobriyan@gmail.com, brauner@kernel.org, josef@toxicpanda.com, yebin10@huawei.com, linux@weissschuh.net, willy@infradead.org, osalvador@suse.de, andrii@kernel.org, ryan.roberts@arm.com, christophe.leroy@csgroup.eu, tjmercier@google.com, kaleshsingh@google.com, aha310510@gmail.com, linux-kernel@vger.kernel.org, linux-fsdevel@vger.kernel.org, linux-mm@kvack.org, linux-kselftest@vger.kernel.org Subject: Re: [PATCH v8 0/6] use per-vma locks for /proc/pid/maps reads Message-Id: <20250719161847.d09abb0c9a0db0b94c4daa23@linux-foundation.org> In-Reply-To: <20250719182854.3166724-1-surenb@google.com> References: <20250719182854.3166724-1-surenb@google.com> X-Mailer: Sylpheed 3.8.0beta1 (GTK+ 2.24.33; x86_64-pc-linux-gnu) Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit On Sat, 19 Jul 2025 11:28:48 -0700 Suren Baghdasaryan wrote: > This patchset switches from holding mmap_lock while reading /proc/pid/maps > to taking per-vma locks as we walk the vma tree. Thanks, I updated mm-new to this v8 series.