From mboxrd@z Thu Jan 1 00:00:00 1970 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 B3661314D1E for ; Tue, 3 Mar 2026 22:34:50 +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=1772577290; cv=none; b=RisINKaCkTisaEpu5+mTRFIQeDOQZp7GKY7i8mabWNxrvF9CmkhvoIpnm1a1kkOPmybzgD1LtfwpptufAlwSoFSTPJgl170VUSRewu4ZuSanuekyNJMpIWJoYIQwZ5A9wPHr41NlCk6RlGnjzievOvLKfAu6PeYUEFmNsKXdtIQ= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1772577290; c=relaxed/simple; bh=tpdmie/vH29szTph0J94yh2Ka/bwFex3c3Rol/3HndM=; h=Date:To:From:Subject:Message-Id; b=VO/1BK0EQG4vazXJl9Ob7gFf0fF1vTDWNdkBxGgzBDmQJR3WuBNw/A5Zn4hHnA9T1RWgzq7Whne4DMSTkyznjACTaJoOXmUurOcTyY/CEDjbuDPlyGMABlczwhcL5+VZIL+KrS/1agI63VZXBt0CxW/T8fKTIuOvMB1jfo33PaM= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linux-foundation.org header.i=@linux-foundation.org header.b=lblFHEDo; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linux-foundation.org header.i=@linux-foundation.org header.b="lblFHEDo" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 4B059C116C6; Tue, 3 Mar 2026 22:34:50 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linux-foundation.org; s=korg; t=1772577290; bh=tpdmie/vH29szTph0J94yh2Ka/bwFex3c3Rol/3HndM=; h=Date:To:From:Subject:From; b=lblFHEDoTHG6H3lv2wGr2XZPjF6+19UC2vtY0MFUCcd9t1BRDiomFY1MOBN3LHYy3 L1IHOwJ8KjIa3Ai3chDBbwOXKwRQlfzxv6THNgWgGL7n/jPqRxJQgg+Z93CA28ybYl vhpKLkKl25OLdYYRhnE9gW73qROtnXvbcXv/RkPw= Date: Tue, 03 Mar 2026 14:34:49 -0800 To: mm-commits@vger.kernel.org,ziy@nvidia.com,xuanzhuo@linux.alibaba.com,wei.liu@kernel.org,vbabka@suse.cz,surenb@google.com,rppt@kernel.org,mst@redhat.com,mhocko@suse.com,mhklinux@outlook.com,lorenzo.stoakes@oracle.com,longli@microsoft.com,liam.howlett@oracle.com,kys@microsoft.com,jasowang@redhat.com,jackmanb@google.com,hannes@cmpxchg.org,haiyangz@microsoft.com,eperezma@redhat.com,decui@microsoft.com,david@kernel.org,yuvraj.sakshith@oss.qualcomm.com,akpm@linux-foundation.org From: Andrew Morton Subject: + mm-page_reporting-change-page_reporting_order_unspecified-to-1.patch added to mm-new branch Message-Id: <20260303223450.4B059C116C6@smtp.kernel.org> Precedence: bulk X-Mailing-List: mm-commits@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: The patch titled Subject: mm/page_reporting: change PAGE_REPORTING_ORDER_UNSPECIFIED to -1 has been added to the -mm mm-new branch. Its filename is mm-page_reporting-change-page_reporting_order_unspecified-to-1.patch This patch will shortly appear at https://git.kernel.org/pub/scm/linux/kernel/git/akpm/25-new.git/tree/patches/mm-page_reporting-change-page_reporting_order_unspecified-to-1.patch This patch will later appear in the mm-new branch at git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm Note, mm-new is a provisional staging ground for work-in-progress patches, and acceptance into mm-new is a notification for others take notice and to finish up reviews. Please do not hesitate to respond to review feedback and post updated versions to replace or incrementally fixup patches in mm-new. The mm-new branch of mm.git is not included in linux-next Before you just go and hit "reply", please: a) Consider who else should be cc'ed b) Prefer to cc a suitable mailing list as well c) Ideally: find the original patch on the mailing list and do a reply-to-all to that, adding suitable additional cc's *** Remember to use Documentation/process/submit-checklist.rst when testing your code *** The -mm tree is included into linux-next via various branches at git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm and is updated there most days ------------------------------------------------------ From: Yuvraj Sakshith Subject: mm/page_reporting: change PAGE_REPORTING_ORDER_UNSPECIFIED to -1 Date: Tue, 3 Mar 2026 03:30:31 -0800 PAGE_REPORTING_ORDER_UNSPECIFIED is now set to zero. This means, pages of order zero cannot be reported to a client/driver -- as zero is used to signal a fallback to MAX_PAGE_ORDER. Change PAGE_REPORTING_ORDER_UNSPECIFIED to (-1), so that zero can be used as a valid order with which pages can be reported. Link: https://lkml.kernel.org/r/20260303113032.3008371-5-yuvraj.sakshith@oss.qualcomm.com Signed-off-by: Yuvraj Sakshith Acked-by: David Hildenbrand (Arm) Reviewed-by: Michael Kelley Acked-by: Michael S. Tsirkin Cc: Brendan Jackman Cc: Dexuan Cui Cc: Eugenio Pérez Cc: Haiyang Zhang Cc: Jason Wang Cc: Johannes Weiner Cc: K. Y. Srinivasan Cc: Liam Howlett Cc: Long Li Cc: Lorenzo Stoakes Cc: Michal Hocko Cc: Mike Rapoport Cc: Suren Baghdasaryan Cc: Vlastimil Babka Cc: Wei Liu Cc: Xuan Zhuo Cc: Zi Yan Signed-off-by: Andrew Morton --- include/linux/page_reporting.h | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) --- a/include/linux/page_reporting.h~mm-page_reporting-change-page_reporting_order_unspecified-to-1 +++ a/include/linux/page_reporting.h @@ -7,7 +7,7 @@ /* This value should always be a power of 2, see page_reporting_cycle() */ #define PAGE_REPORTING_CAPACITY 32 -#define PAGE_REPORTING_ORDER_UNSPECIFIED 0 +#define PAGE_REPORTING_ORDER_UNSPECIFIED -1 struct page_reporting_dev_info { /* function that alters pages to make them "reported" */ _ Patches currently in -mm which might be from yuvraj.sakshith@oss.qualcomm.com are mm-page_reporting-add-page_reporting_order_unspecified.patch virtio_balloon-set-unspecified-page-reporting-order.patch hv_balloon-set-unspecified-page-reporting-order.patch mm-page_reporting-change-page_reporting_order_unspecified-to-1.patch mm-page_reporting-change-page_reporting_order-to-page_reporting_order_unspecified.patch