From nobody Fri Dec 19 17:36:37 2025 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 3C6F4C83F12 for ; Thu, 31 Aug 2023 10:53:55 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S243997AbjHaKx4 (ORCPT ); Thu, 31 Aug 2023 06:53:56 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:48442 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229678AbjHaKxz (ORCPT ); Thu, 31 Aug 2023 06:53:55 -0400 Received: from SHSQR01.spreadtrum.com (unknown [222.66.158.135]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 6679ECF4 for ; Thu, 31 Aug 2023 03:53:51 -0700 (PDT) Received: from dlp.unisoc.com ([10.29.3.86]) by SHSQR01.spreadtrum.com with ESMTP id 37VAqug1084419; Thu, 31 Aug 2023 18:52:56 +0800 (+08) (envelope-from zhaoyang.huang@unisoc.com) Received: from SHDLP.spreadtrum.com (bjmbx01.spreadtrum.com [10.0.64.7]) by dlp.unisoc.com (SkyGuard) with ESMTPS id 4Rbyc93TmSz2QxHbp; Thu, 31 Aug 2023 18:50:17 +0800 (CST) Received: from bj03382pcu01.spreadtrum.com (10.0.73.40) by BJMBX01.spreadtrum.com (10.0.64.7) with Microsoft SMTP Server (TLS) id 15.0.1497.23; Thu, 31 Aug 2023 18:52:55 +0800 From: "zhaoyang.huang" To: Andrew Morton , , , Zhaoyang Huang , Subject: [PATCH] mm: make __GFP_SKIP_ZERO visible to skip zero operation Date: Thu, 31 Aug 2023 18:52:52 +0800 Message-ID: <20230831105252.1385911-1-zhaoyang.huang@unisoc.com> X-Mailer: git-send-email 2.25.1 MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-Originating-IP: [10.0.73.40] X-ClientProxiedBy: SHCAS03.spreadtrum.com (10.0.1.207) To BJMBX01.spreadtrum.com (10.0.64.7) X-MAIL: SHSQR01.spreadtrum.com 37VAqug1084419 Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Type: text/plain; charset="utf-8" From: Zhaoyang Huang There is no explicit gfp flags to let the allocation skip zero operation when CONFIG_INIT_ON_ALLOC_DEFAULT_ON=3Dy. I would like to make __GFP_SKIP_ZERO be visible even if kasan is not configured. Signed-off-by: Zhaoyang Huang --- include/linux/gfp_types.h | 3 +-- 1 file changed, 1 insertion(+), 2 deletions(-) mode change 100644 =3D> 100755 include/linux/gfp_types.h diff --git a/include/linux/gfp_types.h b/include/linux/gfp_types.h old mode 100644 new mode 100755 index d88c46ca82e1..4e9d50bba269 --- a/include/linux/gfp_types.h +++ b/include/linux/gfp_types.h @@ -46,12 +46,11 @@ typedef unsigned int __bitwise gfp_t; #define ___GFP_THISNODE 0x200000u #define ___GFP_ACCOUNT 0x400000u #define ___GFP_ZEROTAGS 0x800000u +#define ___GFP_SKIP_ZERO 0x1000000u #ifdef CONFIG_KASAN_HW_TAGS -#define ___GFP_SKIP_ZERO 0x1000000u #define ___GFP_SKIP_KASAN_UNPOISON 0x2000000u #define ___GFP_SKIP_KASAN_POISON 0x4000000u #else -#define ___GFP_SKIP_ZERO 0 #define ___GFP_SKIP_KASAN_UNPOISON 0 #define ___GFP_SKIP_KASAN_POISON 0 #endif --=20 2.25.1