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 1767B3ED5A6; Wed, 15 Jul 2026 09:08:37 +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=1784106519; cv=none; b=hL9CsKdGqUL7yRKRhQF/lER8kwiO5OV508OFo0hOi2MEmbQizGPHJxgvCEs2kPGRKZEVE1LtcXTFigyjqOnfQIPPy1M7PS7xWPrRnXIo+Rj8XqDIm6t7qGiLbVsdWVwEs2Om3vCdLEoLZnkd7dtFq4zViCnqW5l0pyCg3BGhpzg= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1784106519; c=relaxed/simple; bh=cEZgGLwELxzhZTjyZV2PXGTPxLBixNbGDjG+13Lyjpo=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=sfKtziEbpniJYlU0CYx1jYquasagoKO6uTAsifNMGIlvcTP+fSm5TqrwQizmEBgElnM1dIWyCPLaKqQurzSW0tjjEOPdct86T8CXdjvjEcjfdgmmCgV19TPM5i5y9tIqtxtV/0wZUTULHVLnTSZaMX2MQyxy6EIkThBPDKrtoHA= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=DNm9lcP+; 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="DNm9lcP+" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 973821F000E9; Wed, 15 Jul 2026 09:08:35 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kernel.org; s=k20260515; t=1784106516; bh=oHlLT+KBCE76NGCehwP37q1ZN6ZsSD1q9YMlLN7F0f4=; h=Date:From:To:Cc:Subject:References:In-Reply-To; b=DNm9lcP+yS+B6GUjDoKLJTSLDAObk2icsyIfuplH6cwXDigRASmRWjcpFU0W1+AhT jwOvMphdPghjf4nRvE1rt/6Pdy94dcCxQC3LU0hUoNF+//lw8L/mrJ2LmaNkBjBmyV r7KjYdzjGM8Wl3jQBRFtmD6dWVE31eDmH+pKNm1aKKYcRWvXH796srEKoweVHomSsk XahWQgv2/6uOm0DcCK7Hbuk2m/+vgYrvqnI3vS9mS4q7dZ0NuL1uc5ExC9acLqkgMR oKtDffQVCM/vi5hJ0F7zB6ifJUNlB4iaBEQsRnGYMD9ywl6AOce7SJkLIy9oFJROvL ExJGn/B9qsf+A== Date: Wed, 15 Jul 2026 12:08:30 +0300 From: Leon Romanovsky To: Mike Rapoport 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: <20260715090830.GF21348@unreal> References: <20260713-b4-rdma-v2-0-65d2a1a5180c@kernel.org> <20260714122456.GD19233@unreal> <20260714122818.GE19233@unreal> Precedence: bulk X-Mailing-List: linux-rdma@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: On Wed, Jul 15, 2026 at 09:32:36AM +0300, Mike Rapoport wrote: > 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. No problem, I'll handle it. Thanks > > > ➜ 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.