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Mon, 11 May 2026 15:22:28 +0000 (GMT) Received: from osiris (unknown [9.111.59.149]) by smtpav03.fra02v.mail.ibm.com (Postfix) with ESMTPS; Mon, 11 May 2026 15:22:28 +0000 (GMT) Date: Mon, 11 May 2026 17:22:26 +0200 From: Heiko Carstens To: "David Hildenbrand (Arm)" Cc: "David S. Miller" , Andreas Larsson , Mike Rapoport , Andrew Morton , Alexander Gordeev , Gerald Schaefer , Vasily Gorbik , Christian Borntraeger , Sven Schnelle , Madhavan Srinivasan , Michael Ellerman , Nicholas Piggin , "Christophe Leroy (CS GROUP)" , Lorenzo Stoakes , "Liam R. Howlett" , Vlastimil Babka , Suren Baghdasaryan , Michal Hocko , sparclinux@vger.kernel.org, linux-kernel@vger.kernel.org, linux-mm@kvack.org, linux-s390@vger.kernel.org, linuxppc-dev@lists.ozlabs.org Subject: Re: [PATCH 7/8] s390/mm: use free_reserved_page() in vmem_free_pages() Message-ID: <20260511152226.9589G9f-hca@linux.ibm.com> References: <20260511-bootmem_info_prep-v1-0-3fb0be6fc688@kernel.org> <20260511-bootmem_info_prep-v1-7-3fb0be6fc688@kernel.org> <20260511142157.9589E90-hca@linux.ibm.com> <9e313bd2-cc90-4b9f-9d6c-7dac8d9ec9db@kernel.org> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <9e313bd2-cc90-4b9f-9d6c-7dac8d9ec9db@kernel.org> X-TM-AS-GCONF: 00 X-Proofpoint-Reinject: loops=2 maxloops=12 X-Authority-Analysis: v=2.4 cv=cYbiaHDM c=1 sm=1 tr=0 ts=6a01f43a cx=c_pps a=AfN7/Ok6k8XGzOShvHwTGQ==:117 a=AfN7/Ok6k8XGzOShvHwTGQ==:17 a=kj9zAlcOel0A:10 a=NGcC8JguVDcA:10 a=VkNPw1HP01LnGYTKEx00:22 a=RnoormkPH1_aCDwRdu11:22 a=RzCfie-kr_QcCd8fBx8p:22 a=VwQbUJbxAAAA:8 a=VnNF1IyMAAAA:8 a=NFYRbTnByepKOcQhdncA:9 a=CjuIK1q_8ugA:10 X-Proofpoint-GUID: gN9Yk6mt80cK9LfSmo9v_xzOKx4r8LXy X-Proofpoint-ORIG-GUID: 66JSwiufrwIzx4YfPj_zFY-ra2fLxLyY X-Proofpoint-Spam-Details-Enc: AW1haW4tMjYwNTExMDE2NiBTYWx0ZWRfX1ynHyOJtHkaC 8U0ZYrKHh74sQaxFxjytwkSlxsL8uN27y45bSqkIh59anl/e0Gifw9Am4AgpCtA7z2l4Gbyc5AM ESRpd/TuUpB6Ms4Zds9qcl920m4oMTfbXeR6iivPPRGgCuw2cz6xTAX95FbfUzUYecpPB/T8bfl gH2WeXPtPpft2I0WUjuURstdDZVYwoV9A8oiYK6hek9Jb0fRoddektOTZ4BNKyPazoOEtScS2LO k3PL0TRI25618sxcgwLBlogm2hHSc9x0irp9Q/cAGdaf0pkdrw6c39KeVFE7B4XuFRamKgFhwnu 2ZaLfHt45w1pp4tqTRfDQVFJjkC56Bfqz+3jRdJdgo0g0ZGV/ogyi/3ZV+/Sk2zM0Gu7ELaXIF0 oSnNuyBxHHXLbmAU4Lmwgjm9bFPV0DG/MZo+FIGRVv1Cn9sWD7bHUcAEjQmxE+LU39frHFM7Tq0 WEQFSkvKXu1GztKpy3w== X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1143,Hydra:6.1.51,FMLib:17.12.100.49 definitions=2026-05-11_04,2026-05-08_02,2025-10-01_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 malwarescore=0 adultscore=0 clxscore=1015 spamscore=0 priorityscore=1501 suspectscore=0 bulkscore=0 impostorscore=0 lowpriorityscore=0 phishscore=0 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.22.0-2604200000 definitions=main-2605110166 X-Rspam-User: X-Rspamd-Server: rspam10 X-Rspamd-Queue-Id: A0020180007 X-Stat-Signature: i1xe3mxdzb8rxh34o9qdgghts4db38xf X-HE-Tag: 1778512975-782118 X-HE-Meta: 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 Jb+jWXu1 +2tM0+9YZmDhbm6IQvpZrQU+54lBxChAr/mSNX9tWw77m+YxY/sdU6elr4asoVHJ2wl8gWPMSEjq3q3vZa16k2O28OGJhJ+glXZr44iSr+P8R2LxHsD8NJO5GU2hl0qnaBekNpxH28hUfR5pjHyE7NSblik7ZPz3OcNJkaOmAyve8Wq7W74M+h2YPLlSAgZlT5r2VoOMUY02buY14kkpyWBKuXuGl9+0/ZoPNN6wvM2mNUC/pT/6dIf7qffhENmsSUJTes7DP3bjsjPvEkLCWYRIYcaDl5/4b7jOMCiM2wm81sAh+cUUHGPWFUWX6nStmle3xkFe4u33bTFbPYG75GbtZLO9KV+ax/W/iWZ+ePWDhlL4xrZk+stOun1faorBjue9SZp4eLyqgfJf8wXgzbYQXD8i9mT3TCUxR Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: List-Subscribe: List-Unsubscribe: On Mon, May 11, 2026 at 04:24:16PM +0200, David Hildenbrand (Arm) wrote: > On 5/11/26 16:21, Heiko Carstens wrote: > > On Mon, May 11, 2026 at 04:05:35PM +0200, David Hildenbrand (Arm) wrote: > >> We never select CONFIG_HAVE_BOOTMEM_INFO_NODE on s390. Therefore, > >> free_bootmem_page() nowadays always translates to free_reserved_page(). > >> > >> Let's use free_reserved_page() to replace the free_bootmem_page() loop. > >> We can stop including bootmem_info.h. > >> > >> Likely, vmemmap freeing code could be factored out into the core in the > >> future. > >> > >> Signed-off-by: David Hildenbrand (Arm) > >> --- > >> arch/s390/mm/vmem.c | 3 +-- > >> 1 file changed, 1 insertion(+), 2 deletions(-) ... > > What about the implicit call of kmemleak_free_part_phys() which gets > > removed with this? > > Thanks for taking a look! > > See patch #4: > > https://lore.kernel.org/r/20260511-bootmem_info_prep-v1-4-3fb0be6fc688@kernel.org Heh, right, you can't expect from me that I would read more than one patch of a series :) Acked-by: Heiko Carstens