From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-alma10-1.taild15c8.ts.net [100.103.45.18]) (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 40C90249E5; Wed, 15 Jul 2026 06:32:42 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=100.103.45.18 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1784097163; cv=none; b=b6qlcedsXlqd4jS4JX2QkfOUuVh2HfyELgyMsVKZpLMA/NzptRCgCBwY/1BAJttGv0jPaLDmtx6OQ7926fetdShmI0U8OoLNtX0mg6S4kJxl8D3NqUsRFdLTM0aoV5P+WR5G4CHjNa8FntOpkLCQKRofkx0A0BjDboxzoNvu0JA= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1784097163; c=relaxed/simple; bh=P0tWBaOrdBjB/s4wlWvugZdHiin2qiAtcZ1LYLTfS0Q=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=bkyejYr9s62X9LD92jzfNqQjE7z4SgC9EYF8X0LDXADGTmB7s+MBtt5eo+CrkmqR2lVdZ2zgrDgeYZNP+N1k48sTV2z+GEkh0afmDmIjVMg4xQ+GKLgJ4htsWUZgnzEXoH73dO+XgQt7F3uJ5XyetApAs6GqXICrso2mcnGUulw= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=Oc6y2l1u; arc=none smtp.client-ip=100.103.45.18 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="Oc6y2l1u" Received: by smtp.kernel.org (Postfix) with ESMTPSA id C71241F000E9; Wed, 15 Jul 2026 06:32:39 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kernel.org; s=k20260515; t=1784097162; bh=p+q0rn9vcJyGll5D6hY89Cg+aX8Aptvuz7kMSAJHpM8=; h=Date:From:To:Cc:Subject:References:In-Reply-To; b=Oc6y2l1uh7gyMe35aY5uEmZK+PEOccIXhlOO1pBf99yoSFjdAmXynj57xsgepBZ1p ULWeppq3h0vNcRX+I0ppfLp/LVQAcMu8vZzf0NsAWZ8T65+L3MKcv9azdaKWV9GYJs 9clLZ2R9hXinLLYu0m0HT+KL3y4wbbAjsjKN/YG1je6S6Va1hXzJLvtoKcO7NfHRoe xUXF9+77HFblmWL/dRGMJrFZ2jdDoT3fr3DjjJEHssi2MU6kfXdYwoeyCsf3NW8zbk 24pyhH9O0d5HRNElUrJhunjkU7fqrthgk7cWTgTgVXKIg+fJ3bXCUf9i2Na8AA7H8x j2EW1IPZAJJ2w== Date: Wed, 15 Jul 2026 09:32:36 +0300 From: Mike Rapoport To: Leon Romanovsky Cc: Jason Gunthorpe , Dennis Dalessandro , linux-kernel@vger.kernel.org, linux-mm@kvack.org, linux-rdma@vger.kernel.org Subject: Re: [PATCH v2 0/5] RDMA, IB: replace __get_free_pages() with kmalloc() Message-ID: References: <20260713-b4-rdma-v2-0-65d2a1a5180c@kernel.org> <20260714122456.GD19233@unreal> <20260714122818.GE19233@unreal> 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=utf-8 Content-Disposition: inline Content-Transfer-Encoding: 8bit In-Reply-To: <20260714122818.GE19233@unreal> On Tue, Jul 14, 2026 at 03:28:18PM +0300, Leon Romanovsky wrote: > On Tue, Jul 14, 2026 at 03:24:56PM +0300, Leon Romanovsky wrote: > > On Mon, Jul 13, 2026 at 10:17:21AM +0300, Mike Rapoport (Microsoft) wrote: > > > This is a (small) part of larger work of replacing page allocator calls > > > with kmalloc. > > > > Will you also change get_zeroed_page() in RDMA, or should I > > prepare a patch? A patch would be great! I do plan to audit all __get_free_pages()/get_zeroed_page() etc call sites, but obviously it will take some time. For now I only sent patches where the replacement was obvious and didn't require me to dig deep and I surely could miss some. > ➜ kernel git:(wip/leon-for-next) git grep get_zeroed_page drivers/infiniband/ > drivers/infiniband/hw/bnxt_re/ib_verbs.c: srq->uctx_srq_page = (void *)get_zeroed_page(GFP_KERNEL); > drivers/infiniband/hw/bnxt_re/ib_verbs.c: cq->uctx_cq_page = (void *)get_zeroed_page(GFP_KERNEL); > drivers/infiniband/hw/bnxt_re/ib_verbs.c: uctx->shpg = (void *)get_zeroed_page(GFP_KERNEL); > drivers/infiniband/hw/mlx4/mr.c: mr->pages = (__be64 *)get_zeroed_page(GFP_KERNEL); > drivers/infiniband/hw/qedr/verbs.c: q->db_rec_data = (void *)get_zeroed_page(GFP_USER); > > Thanks -- Sincerely yours, Mike.