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[129.46.96.20]) by smtp.gmail.com with ESMTPSA id 46e09a7af769-7d59785d8d5sm9311790a34.17.2026.03.03.03.30.41 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 03 Mar 2026 03:30:42 -0800 (PST) From: Yuvraj Sakshith To: mst@redhat.com, david@kernel.org Cc: kys@microsoft.com, haiyangz@microsoft.com, wei.liu@kernel.org, decui@microsoft.com, longli@microsoft.com, jasowang@redhat.com, xuanzhuo@linux.alibaba.com, eperezma@redhat.com, akpm@linux-foundation.org, lorenzo.stoakes@oracle.com, Liam.Howlett@oracle.com, vbabka@suse.cz, rppt@kernel.org, surenb@google.com, mhocko@suse.com, jackmanb@google.com, hannes@cmpxchg.org, ziy@nvidia.com, linux-hyperv@vger.kernel.org, linux-kernel@vger.kernel.org, virtualization@lists.linux.dev, linux-mm@kvack.org Subject: [PATCH v4 5/5] mm/page_reporting: change page_reporting_order to PAGE_REPORTING_ORDER_UNSPECIFIED Date: Tue, 3 Mar 2026 03:30:32 -0800 Message-Id: <20260303113032.3008371-6-yuvraj.sakshith@oss.qualcomm.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20260303113032.3008371-1-yuvraj.sakshith@oss.qualcomm.com> References: <20260303113032.3008371-1-yuvraj.sakshith@oss.qualcomm.com> 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 X-Authority-Analysis: v=2.4 cv=Pv2ergM3 c=1 sm=1 tr=0 ts=69a6c664 cx=c_pps a=z9lCQkyTxNhZyzAvolXo/A==:117 a=ouPCqIW2jiPt+lZRy3xVPw==:17 a=Yq5XynenixoA:10 a=s4-Qcg_JpJYA:10 a=VkNPw1HP01LnGYTKEx00:22 a=u7WPNUs3qKkmUXheDGA7:22 a=DJpcGTmdVt4CTyJn9g5Z:22 a=EUspDBNiAAAA:8 a=xOnWzZm5OySgNDGUUPUA:9 a=EyFUmsFV_t8cxB2kMr4A:22 X-Proofpoint-ORIG-GUID: OMK0nOttUcB7dzPO7yx4TPLtRfUtuPae X-Proofpoint-Spam-Details-Enc: AW1haW4tMjYwMzAzMDA4OSBTYWx0ZWRfXzehaOl5by4Zq I+I4sMYPSPBfMy8hWYfuBquZuheVDAwFxSPtgK0Tvr11kZAE+W03I+wbP/nh3soFvzq3gWuiHbx HEQ9pmjU53oBMVkRdhk/UrIAmgrVgcxX/H+sLGt3dLOPE25Lj+Hnbnh2PfVumCA7RcDE8w7R+Vj pR8pv8XfCpYvUtgniXRbxSiAsrpws3emlZXqnGpRkQL1wy/dyKCb9ECXILfpR1KBpntXJu8+TgA x3eOGcw978vIdClVM6+RCAuyem9Re8d95ti5BTsoL+jnGLk42BDl+u4rU5iRN1mm71jO6s4xpN3 JH7JEyl8JDrb0oYPu7vR4zxz8EWgHe2M570U5HFUt6Laqje0e+BF9V85UqLq34mIld1FRFh1PtM VN/aL7APrJcd077WJYvCEqGCFGTKRo1rcThHXlQkiISfyrUPhuL5Tw+M+NYhZ3VhU0Goh5b7zgR xdA6DTcA2KSki2Moi9Q== X-Proofpoint-GUID: OMK0nOttUcB7dzPO7yx4TPLtRfUtuPae X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1121,Hydra:6.1.51,FMLib:17.12.100.49 definitions=2026-03-02_05,2026-03-03_01,2025-10-01_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 clxscore=1015 lowpriorityscore=0 impostorscore=0 malwarescore=0 spamscore=0 suspectscore=0 adultscore=0 priorityscore=1501 phishscore=0 bulkscore=0 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.22.0-2602130000 definitions=main-2603030089 Content-Type: text/plain; charset="utf-8" page_reporting_order when uninitialised, holds a magic number -1. Since we now maintain PAGE_REPORTING_ORDER_UNSPECIFIED as -1, which is also a flag, set page_reporting_order to this flag. Signed-off-by: Yuvraj Sakshith --- mm/page_reporting.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/mm/page_reporting.c b/mm/page_reporting.c index a97ee07cb..21c11b75e 100644 --- a/mm/page_reporting.c +++ b/mm/page_reporting.c @@ -12,7 +12,7 @@ #include "internal.h" =20 /* Initialize to an unsupported value */ -unsigned int page_reporting_order =3D -1; +unsigned int page_reporting_order =3D PAGE_REPORTING_ORDER_UNSPECIFIED; =20 static int page_order_update_notify(const char *val, const struct kernel_p= aram *kp) { @@ -369,7 +369,7 @@ int page_reporting_register(struct page_reporting_dev_i= nfo *prdev) * pageblock_order. */ =20 - if (page_reporting_order =3D=3D -1) { + if (page_reporting_order =3D=3D PAGE_REPORTING_ORDER_UNSPECIFIED) { if (prdev->order !=3D PAGE_REPORTING_ORDER_UNSPECIFIED && prdev->order <=3D MAX_PAGE_ORDER) page_reporting_order =3D prdev->order; --=20 2.34.1