From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (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 0E6511F8AC5; Thu, 20 Aug 2026 05:39:16 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=198.137.202.133 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1787204359; cv=none; b=dErZucNzzOSs7N9FVWiNgO1rowKW6e4uqdL3YH+0dxmVLAPxif6Y5OVMwXSw491MMrujvpXFpobitV/AJCiWOtFFO7cPiIZ04qZp5cXB7YQeXSDTcxOHI5wn3mhZTHz6ZIJJg6PmHkqKadAXPNZuNHyRPSubpvc1krR1rbEQUqA= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1787204359; c=relaxed/simple; bh=wdM6rudT+Mf+zmXsIbpXQkgCmO5rtQtUBmik6lEas1Q=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=plV/6Coqdrcb0X0ehbNkvuZCBwMPpxKINyN5VoTImVEfRTf509p4zEP+OWqi+geJI3Qmc/bFQBMgm9M8dbT1xAbkCSAaEHqGhM1jM0LvClkA86KrReonptNrO0QRanj4OhVTBq70pu5Udkc8kW7fznc686+cCgGTY0QXjBtZQ9Y= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=infradead.org; spf=none smtp.mailfrom=bombadil.srs.infradead.org; dkim=pass (2048-bit key) header.d=infradead.org header.i=@infradead.org header.b=dj5q2W6N; arc=none smtp.client-ip=198.137.202.133 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=infradead.org Authentication-Results: smtp.subspace.kernel.org; spf=none smtp.mailfrom=bombadil.srs.infradead.org Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=infradead.org header.i=@infradead.org header.b="dj5q2W6N" DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=infradead.org; s=bombadil.20210309; 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=toYdR63KTyoC1HRAs/UIJm8XidXJ6L6vNjUl+tllJqg=; b=dj5q2W6NfAVl2mcZIiNMVN0WTK 6SqC2nmb8Oz1fnmQnABt28G4UB3MLb6HSl3zXtygSdXS+4oXpCggo1wzzvmq3s/g20NG+2cG5g1F1 Rr71o+EEKb8vJsQs7Gfma+X+2k0rf7D1mdPPacz7yE691Ke3SGRyjxNHrwUQsqhvTXqHKjo5dM5P/ jKoVCXTUWpqFEPi82oYp38cF1yMs6pBrrmUqR6R4Ts/8OYVJGNcwBma8xErGF1LuIIkm0B6083zYd t6QtwxIkNJ0gSPCxGlcbLZOPhQcLSFdd97DUlcmRizsAvuyFGr/Pi0GUDm5zMu3ZZj5JCYat00d1U FOGyPO/w==; Received: from hch by bombadil.infradead.org with local (Exim 4.99.1 #2 (Red Hat Linux)) id 1wwvUh-0000000Ar4A-43Ln; Thu, 20 Aug 2026 05:39:15 +0000 Date: Wed, 19 Aug 2026 22:39:15 -0700 From: Christoph Hellwig To: "Darrick J. Wong" Cc: Christoph Hellwig , hch@lst.de, cem@kernel.org, stable@vger.kernel.org, linux-xfs@vger.kernel.org Subject: Re: [PATCH 1/6] xfs: fix xfs_rtrmapbt_mem_cursor for non-rmap filesystems Message-ID: References: <178659861838.833922.2269351780488724470.stgit@frogsfrogsfrogs> <178659861897.833922.17703139818760252058.stgit@frogsfrogsfrogs> <20260819231943.GD6072@frogsfrogsfrogs> <20260819233025.GF6072@frogsfrogsfrogs> Precedence: bulk X-Mailing-List: linux-xfs@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: <20260819233025.GF6072@frogsfrogsfrogs> X-SRS-Rewrite: SMTP reverse-path rewritten from by bombadil.infradead.org. See http://www.infradead.org/rpr.html On Wed, Aug 19, 2026 at 04:30:25PM -0700, Darrick J. Wong wrote: > On second thought ... the slab cache that we use to create rtrmapbt > cursors always makes them big enough for xfs_rtrmap_maxlevels_ondisk() > levels, so we always consume that much memory no matter what we set > bc_nlevels to in xfs_rtrmapbt_mem_cursor(). Make sense. Maybe add that to the commit message? With that: Reviewed-by: Christoph Hellwig for the original patch.