From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 5A392C4167D for ; Mon, 6 Nov 2023 13:27:04 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S232405AbjKFN1F (ORCPT ); Mon, 6 Nov 2023 08:27:05 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:42006 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S232601AbjKFN1C (ORCPT ); Mon, 6 Nov 2023 08:27:02 -0500 Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 49194D75 for ; Mon, 6 Nov 2023 05:26:57 -0800 (PST) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 8377CC433C9; Mon, 6 Nov 2023 13:26:56 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1699277216; bh=d6/FvLc5okqEnf0b/KTxRMqC4lmacV//kf7L86MXQvY=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=Qr3CkSANJem8ZfnwjNlaB8AsIc2ISv97+HPH+rliN34XMVeU77MdxNNX44MkbzCzV CVYRWvu/v15LjTH3/7MjW3BarfpUidywTWvgVXe1twmHDGwJlvJcj3fmSHIhSuaJ5B HCzPNNaPZ3fFuVrbbC71sNlex0cYjAg0ZF5WLtpE= From: Greg Kroah-Hartman To: stable@vger.kernel.org Cc: Greg Kroah-Hartman , patches@lists.linux.dev, Catherine Sullivan , David Awogbemila , Jakub Kicinski , Sasha Levin Subject: [PATCH 5.15 060/128] gve: Fix GFP flags when allocing pages Date: Mon, 6 Nov 2023 14:03:40 +0100 Message-ID: <20231106130311.816390951@linuxfoundation.org> X-Mailer: git-send-email 2.42.0 In-Reply-To: <20231106130309.112650042@linuxfoundation.org> References: <20231106130309.112650042@linuxfoundation.org> User-Agent: quilt/0.67 X-stable: review X-Patchwork-Hint: ignore MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: stable@vger.kernel.org 5.15-stable review patch. If anyone has any objections, please let me know. ------------------ From: Shailend Chand [ Upstream commit a92f7a6feeb3884c69c1c7c1f13bccecb2228ad0 ] Use GFP_ATOMIC when allocating pages out of the hotpath, continue to use GFP_KERNEL when allocating pages during setup. GFP_KERNEL will allow blocking which allows it to succeed more often in a low memory enviornment but in the hotpath we do not want to allow the allocation to block. Fixes: f5cedc84a30d2 ("gve: Add transmit and receive support") Signed-off-by: Catherine Sullivan Signed-off-by: David Awogbemila Link: https://lore.kernel.org/r/20220126003843.3584521-1-awogbemila@google.com Signed-off-by: Jakub Kicinski Signed-off-by: Sasha Levin --- drivers/net/ethernet/google/gve/gve_rx_dqo.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/net/ethernet/google/gve/gve_rx_dqo.c b/drivers/net/ethernet/google/gve/gve_rx_dqo.c index 7b18b4fd9e548..d947c2c334128 100644 --- a/drivers/net/ethernet/google/gve/gve_rx_dqo.c +++ b/drivers/net/ethernet/google/gve/gve_rx_dqo.c @@ -157,7 +157,7 @@ static int gve_alloc_page_dqo(struct gve_priv *priv, int err; err = gve_alloc_page(priv, &priv->pdev->dev, &buf_state->page_info.page, - &buf_state->addr, DMA_FROM_DEVICE, GFP_KERNEL); + &buf_state->addr, DMA_FROM_DEVICE, GFP_ATOMIC); if (err) return err; -- 2.42.0