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[129.46.96.20]) by smtp.gmail.com with ESMTPSA id 006d021491bc7-679f2bfee3csm1013246eaf.7.2026.02.25.23.01.29 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 25 Feb 2026 23:01:31 -0800 (PST) From: Yuvraj Sakshith To: akpm@linux-foundation.org, mst@redhat.com, david@kernel.org Cc: vbabka@suse.cz, surenb@google.com, mhocko@suse.com, jackmanb@google.com, hannes@cmpxchg.org, ziy@nvidia.com, linux-mm@kvack.org, jasowang@redhat.com, xuanzhuo@linux.alibaba.com, eperezma@redhat.com, virtualization@lists.linux.dev, kys@microsoft.com, haiyangz@microsoft.com, wei.liu@kernel.org, decui@microsoft.com, longli@microsoft.com, linux-hyperv@vger.kernel.org, linux-kernel@vger.kernel.org Subject: [PATCH 2/3] hv_balloon: Change default page reporting order Date: Wed, 25 Feb 2026 23:01:24 -0800 Message-Id: <20260226070125.3732265-3-yuvraj.sakshith@oss.qualcomm.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20260226070125.3732265-1-yuvraj.sakshith@oss.qualcomm.com> References: <20260226070125.3732265-1-yuvraj.sakshith@oss.qualcomm.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Proofpoint-Spam-Details-Enc: AW1haW4tMjYwMjI2MDA2MSBTYWx0ZWRfXyF++ArrblabG v/WXmTJnIbXyijr7UOh2eET+VH0cDPHjMaFINLLgg9ILCStEYWaYuR4hFVn8g4LWyirTqhR5A4E /sUkZp3tbyjnjh/zYZGChNOEspjS7TsZoCH/Vc027a27AscWTxSu856geQbhtRsSmRl4EO8vM2s vTgAf0/vMr14uKc7PRKL0re0bk0RRpwQDawZYna3ABMk9KTKgdEa5Uuyi8g8q/hY0I/Or4m+YUH S1lLxkoV+nHHVM4UortEh4wQuIvmQdiPrsvmsVSnIkuMU6i5Z4D4l8XTUi7bHj0D5xEuQzb9WuT JvAuGP2Sc9ekfNR655ybyp1+4rKYUJBKLHbDEKUYPLogxVGamq9I+oWUAcbRHT2y18miUk4Wt6m Rvg+YUIXEI4y24+NfF6hmaCisHKv4RCsNOZyVdCZjGuBbwUIzNhZq/V3bLNI6hKyS7EaENUAhQ8 ZYLUCCjwMcDUMAue14Q== X-Proofpoint-GUID: mwC1UEQRxlpWcuprm4lZxAB9LhKdLHXu X-Authority-Analysis: v=2.4 cv=I5Bohdgg c=1 sm=1 tr=0 ts=699fefd5 cx=c_pps a=lVi5GcDxkcJcfCmEjVJoaw==:117 a=ouPCqIW2jiPt+lZRy3xVPw==:17 a=HzLeVaNsDn8A:10 a=s4-Qcg_JpJYA:10 a=VkNPw1HP01LnGYTKEx00:22 a=u7WPNUs3qKkmUXheDGA7:22 a=gowsoOTTUOVcmtlkKump:22 a=EUspDBNiAAAA:8 a=IMYoWy77fT7TwZj6-SAA:9 a=rBiNkAWo9uy_4UTK5NWh:22 X-Proofpoint-ORIG-GUID: mwC1UEQRxlpWcuprm4lZxAB9LhKdLHXu 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=2026-02-25_04,2026-02-25_02,2025-10-01_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 clxscore=1015 adultscore=0 malwarescore=0 impostorscore=0 phishscore=0 spamscore=0 priorityscore=1501 bulkscore=0 lowpriorityscore=0 suspectscore=0 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.22.0-2602130000 definitions=main-2602260061 X-Rspam-User: X-Rspamd-Queue-Id: 1F1DD180004 X-Rspamd-Server: rspam02 X-Stat-Signature: wxfxbmji1b5k4jbmtnoznctonjqetx4h X-HE-Tag: 1772089301-615356 X-HE-Meta: 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 s8B9YN8h 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 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: List-Subscribe: List-Unsubscribe: page_reporting_order used to fall back to default value (passed as parameter or MAX_PAGE_ORDER) if the driver wishes to not provide it. The way the driver used to do this was by passing the order as zero. Now that zero is a valid order that can be passed by a driver to page reporting, we use -1 to signal default value to be used. Signed-off-by: Yuvraj Sakshith --- drivers/hv/hv_balloon.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/hv/hv_balloon.c b/drivers/hv/hv_balloon.c index 2b4080e51..e33d6e3b2 100644 --- a/drivers/hv/hv_balloon.c +++ b/drivers/hv/hv_balloon.c @@ -1663,7 +1663,7 @@ static void enable_page_reporting(void) * We let the page_reporting_order parameter decide the order * in the page_reporting code */ - dm_device.pr_dev_info.order = 0; + dm_device.pr_dev_info.order = -1; ret = page_reporting_register(&dm_device.pr_dev_info); if (ret < 0) { dm_device.pr_dev_info.report = NULL; -- 2.34.1