From nobody Fri Dec 19 17:42:11 2025 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (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 78D6F250C1A for ; Wed, 5 Mar 2025 18:16:21 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1741198581; cv=none; b=qTxQIwM9qxBGO1bCeB4RgcCsbcchHSmoXtiuMMS7nksl2MQFs1Wsbt7yWbS7XfchCkQxAhg/pFxMMqJ6/NWK9Cz6SxuK8UNJDr0D+HGNOcss5NwwvpG45md6DaM2QcugVY4nRxfi4ptwGP6555nbr6Uz76X7lXRXCc3mMGUoSWY= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1741198581; c=relaxed/simple; bh=sHWxz+0ShuFmutLGSt5hwCRMCNmucoCWmOorPvlaBq4=; h=From:To:Cc:Subject:Date:Message-Id:In-Reply-To:References: MIME-Version; b=fHkWJJaGj0EMltqiX6SMf0pbVoSVmSag6Fr+DRG6uaogn652QPzsqNU2rpG65RdSmRIDiGbC7OBRIFmzAd5uqbKXi6H+7rwXxKD2kDRrrPxciuuzxk7FX49q/BBbSrgFmcpYVU8IPWMFWt6zfNoY2D5gsN9q/6XExdsAB2cab38= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=sAXZYSeA; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="sAXZYSeA" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 1394DC4CEE2; Wed, 5 Mar 2025 18:16:21 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1741198581; bh=sHWxz+0ShuFmutLGSt5hwCRMCNmucoCWmOorPvlaBq4=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=sAXZYSeAbWhcz5LT0yvaAeEsnGtslYmnxLZZlGzmNk7/NTF1qAvm5yqfjEVeO9TdV Rif5lZv9l5yNiQTVhD7iR1rKRmVhxb6x0f7AtA5o+dDIi8dxA8k5+/hJNfj3M46CWo sitQN1QOJpXhDlw8MsqtGOU9rDauvpS566PKb/egzlDjOjw5HOOykW0p+6aaUy4+ZO MEFOD269bYvOMYz51UGc+NTi+U4dipo10wu5Cn47Yt7HxeoiYcEFt2g0Rr6CkLSXel R0AqI1OIzw8RiD5YCnRDB4PBzWL61je0d7EWQu7B8vxEk05bBfernmks5BaYa+d+GT f/9hPYOZmRYjA== From: SeongJae Park To: Cc: SeongJae Park , "Liam R. Howlett" , Andrew Morton , David Hildenbrand , Lorenzo Stoakes , Shakeel Butt , Vlastimil Babka , kernel-team@meta.com, linux-kernel@vger.kernel.org, linux-mm@kvack.org Subject: [RFC PATCH 01/16] mm/madvise: use is_memory_failure() from madvise_do_behavior() Date: Wed, 5 Mar 2025 10:15:56 -0800 Message-Id: <20250305181611.54484-2-sj@kernel.org> X-Mailer: git-send-email 2.39.5 In-Reply-To: <20250305181611.54484-1-sj@kernel.org> References: <20250305181611.54484-1-sj@kernel.org> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" To reduce redundant open-coded checks of CONFIG_MEMORY_FAILURE and MADV_{HWPOISON,SOFT_OFFLINE} in madvise_[un]lock(), is_memory_failure() has introduced. madvise_do_behavior() is still doing the same open-coded check, though. Use is_memory_failure() instead. Signed-off-by: SeongJae Park --- mm/madvise.c | 4 +--- 1 file changed, 1 insertion(+), 3 deletions(-) diff --git a/mm/madvise.c b/mm/madvise.c index 388dc289b5d1..dbc8fec05cc6 100644 --- a/mm/madvise.c +++ b/mm/madvise.c @@ -1640,10 +1640,8 @@ static int madvise_do_behavior(struct mm_struct *mm, unsigned long end; int error; =20 -#ifdef CONFIG_MEMORY_FAILURE - if (behavior =3D=3D MADV_HWPOISON || behavior =3D=3D MADV_SOFT_OFFLINE) + if (is_memory_failure(behavior)) return madvise_inject_error(behavior, start, start + len_in); -#endif start =3D untagged_addr_remote(mm, start); end =3D start + len; =20 --=20 2.39.5