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[129.46.96.20]) by smtp.gmail.com with ESMTPSA id 46e09a7af769-7d5866269a8sm4324502a34.13.2026.02.27.06.07.02 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 27 Feb 2026 06:07:03 -0800 (PST) From: Yuvraj Sakshith To: akpm@linux-foundation.org Cc: mst@redhat.com, david@kernel.org, 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, 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, virtualization@lists.linux.dev, linux-mm@kvack.org, linux-kernel@vger.kernel.org Subject: [PATCH v1 2/4] virtio_balloon: set default page reporting order Date: Fri, 27 Feb 2026 06:06:53 -0800 Message-Id: <20260227140655.360696-3-yuvraj.sakshith@oss.qualcomm.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20260227140655.360696-1-yuvraj.sakshith@oss.qualcomm.com> References: <20260227140655.360696-1-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=IZWKmGqa c=1 sm=1 tr=0 ts=69a1a508 cx=c_pps a=z9lCQkyTxNhZyzAvolXo/A==:117 a=ouPCqIW2jiPt+lZRy3xVPw==:17 a=HzLeVaNsDn8A:10 a=s4-Qcg_JpJYA:10 a=VkNPw1HP01LnGYTKEx00:22 a=u7WPNUs3qKkmUXheDGA7:22 a=YMgV9FUhrdKAYTUUvYB2:22 a=EUspDBNiAAAA:8 a=Jvdq4yWlxvBRgq3Xg-wA:9 a=EyFUmsFV_t8cxB2kMr4A:22 X-Proofpoint-GUID: CNzuiYvRGBz5aFwyrnKezca6ZpZSHCUD X-Proofpoint-ORIG-GUID: CNzuiYvRGBz5aFwyrnKezca6ZpZSHCUD X-Proofpoint-Spam-Details-Enc: AW1haW4tMjYwMjI3MDEyNSBTYWx0ZWRfX0Al726w/ICAm ZZ8S1iYpqEjzhPa6E4bf/eKJVZrE0uPn/FPvgirRP0Kkac9RwmMB3nEnARzjcE3At4qnREMVw7F eMbg8kroEQf3CPox+eIepkfJijTTZB6yTRblVl7MKhoVNrX39zNfjIgkQggIDmRgSFC41uCjmDt 35JtKK/jiw+LSarsMAWGl4TkdtLSuofGmqL+qCsG1Sb2m49oGr83+1LW5JXhoZuXCrEeZcrJTMr aWkbYObjkMbsHajYrfLrryvZ7v4kTo3xpZMzku5movEcbJCcq4IL3wnJJizNdoIZtuiAu8ib7y8 XyFjbiv1rZrpypsAvC763l1nxCpoSDmias1EJBim2UIdvjFNwvC91JGVXuhztfVFiNEQO/zBY+/ 1Bqxyszgv66NuNwla1pQXQ6be0lDC4QlNEJc+j1YQ2vm+o95Ujsrl9cY5GUjA/4BE8Am97jXvqN 3OlIrHrYNhdy5aLWOJw== 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=2026-02-27_02,2026-02-27_01,2025-10-01_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 bulkscore=0 impostorscore=0 clxscore=1015 adultscore=0 lowpriorityscore=0 priorityscore=1501 suspectscore=0 malwarescore=0 spamscore=0 phishscore=0 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.22.0-2602130000 definitions=main-2602270125 Content-Type: text/plain; charset="utf-8" virtio_balloon page reporting order is set to MAX_PAGE_ORDER implicitly as vb->prdev.order is never initialised and is auto-set to zero. Explicitly mention usage of default page order by making use of PAGE_REPORTING_DEFAULT ORDER fallback value. Signed-off-by: Yuvraj Sakshith Acked-by: David Hildenbrand (Arm) --- drivers/virtio/virtio_balloon.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/drivers/virtio/virtio_balloon.c b/drivers/virtio/virtio_balloo= n.c index 74fe59f5a..0616c03b2 100644 --- a/drivers/virtio/virtio_balloon.c +++ b/drivers/virtio/virtio_balloon.c @@ -1044,6 +1044,8 @@ static int virtballoon_probe(struct virtio_device *vd= ev) goto out_unregister_oom; } =20 + vb->pr_dev_info.order =3D PAGE_REPORTING_DEFAULT_ORDER; + /* * The default page reporting order is @pageblock_order, which * corresponds to 512MB in size on ARM64 when 64KB base page --=20 2.34.1