From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from casper.infradead.org (casper.infradead.org [90.155.50.34]) (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 1C67A29A2; Sat, 11 Jan 2025 04:52:56 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=90.155.50.34 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1736571179; cv=none; b=cdNYoa+dgOCfviVZ+oaq5pXl0HQo7fqapnoKeg/bqkio1LIemMUUYkMILEYPxmZuIBIzmVWVwveKL3J07iWfp1QM3UtRWBCuSbkigvR2WgRnwYu9Vl4VvLi2XbWKrs0qNZodXvgJUy6aOC+hdtZSm6nqYZ8V3akMlROUDRMki6w= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1736571179; c=relaxed/simple; bh=2jgQs6OE/Z0uI8pOiG+1QeLMwQkmWHkyNd+ehkp8a5I=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=RhKUYQJZRUyvNkdp9I7qJWiYx2N6pOW4DYfyMyG1/ng1IEWFY1LM2jsiqv0MEXgCmhR9GHh4+PKS859tvwHOOumkgcJPDKBfM8hvg3dJD16Def4iyB9M8irVii/9qcDaZWdYsg8MBBGxdXFaWN+DS/09VEpOvnIBUvEgVo2sOoQ= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=infradead.org; spf=none smtp.mailfrom=infradead.org; dkim=pass (2048-bit key) header.d=infradead.org header.i=@infradead.org header.b=wPWMzSH7; arc=none smtp.client-ip=90.155.50.34 Authentication-Results: smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=infradead.org Authentication-Results: smtp.subspace.kernel.org; spf=none smtp.mailfrom=infradead.org Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=infradead.org header.i=@infradead.org header.b="wPWMzSH7" DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=infradead.org; s=casper.20170209; h=In-Reply-To:Content-Type:MIME-Version: References:Message-ID:Subject:Cc:To:From:Date:Sender:Reply-To: Content-Transfer-Encoding:Content-ID:Content-Description; bh=2jgQs6OE/Z0uI8pOiG+1QeLMwQkmWHkyNd+ehkp8a5I=; b=wPWMzSH7DtdpbK74pje1xIRTrA M2hOJIh9Oa53DqR0QbYuH3tOdCvARjCrgC/lwvL7/H0i7z/RNR3RX0LnDjkt36yRMhcxVRYxHP/lO RhfieJilwv8WA9k04IMkAte0i3bVAbDzvwX5qL91aopjhdnC7F451B4CrvrfRAE1eG/vjJybTBm2j O+MqazBzfXx/E4rgOeDnOtCOZY76RPzmUfzRQx+cSke09n7z6XPz5U36x6zNPylf2oT9zDmDPXE2T lBplyVVNWvaZPkw74s3wJzoEfhkgjFkk9AYta65GluxyTeYpQI+QyVUeyjByoftezf4wggAf3smmE xdd0Bwkg==; Received: from willy by casper.infradead.org with local (Exim 4.98 #2 (Red Hat Linux)) id 1tWTUA-0000000EthP-25UU; Sat, 11 Jan 2025 04:52:34 +0000 Date: Sat, 11 Jan 2025 04:52:34 +0000 From: Matthew Wilcox To: Suren Baghdasaryan Cc: akpm@linux-foundation.org, peterz@infradead.org, liam.howlett@oracle.com, lorenzo.stoakes@oracle.com, david.laight.linux@gmail.com, mhocko@suse.com, vbabka@suse.cz, hannes@cmpxchg.org, mjguzik@gmail.com, oliver.sang@intel.com, mgorman@techsingularity.net, david@redhat.com, peterx@redhat.com, oleg@redhat.com, dave@stgolabs.net, paulmck@kernel.org, brauner@kernel.org, dhowells@redhat.com, hdanton@sina.com, hughd@google.com, lokeshgidra@google.com, minchan@google.com, jannh@google.com, shakeel.butt@linux.dev, souravpanda@google.com, pasha.tatashin@soleen.com, klarasmodin@gmail.com, richard.weiyang@gmail.com, corbet@lwn.net, linux-doc@vger.kernel.org, linux-mm@kvack.org, linux-kernel@vger.kernel.org, kernel-team@android.com Subject: Re: [PATCH v9 00/17] reimplement per-vma lock as a refcount Message-ID: References: <20250111042604.3230628-1-surenb@google.com> Precedence: bulk X-Mailing-List: linux-doc@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20250111042604.3230628-1-surenb@google.com> On Fri, Jan 10, 2025 at 08:25:47PM -0800, Suren Baghdasaryan wrote: > - Added static check for no-limit case in __refcount_add_not_zero_limited, > per David Laight Ugh, no, don't listen to David.