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Tue, 15 Apr 2025 08:02:06 +0000 (UTC) Received: from dovecot-director2.suse.de ([2a07:de40:b281:106:10:150:64:167]) by imap1.dmz-prg2.suse.org with ESMTPSA id //2eOX4S/mfNOgAAD6G6ig (envelope-from ); Tue, 15 Apr 2025 08:02:06 +0000 Date: Tue, 15 Apr 2025 10:02:01 +0200 From: Oscar Salvador To: David Hildenbrand Cc: Andrew Morton , Muchun Song , linux-mm@kvack.org, linux-kernel@vger.kernel.org, Vlastimil Babka , Matthew Wilcox Subject: Re: [PATCH] mm, hugetlb: Reset mapping to TAIL_MAPPING before restoring vmemmap Message-ID: References: <20250415054705.370412-1-osalvador@suse.de> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: X-Rspamd-Server: rspam06 X-Rspamd-Queue-Id: D5AFD18000B X-Stat-Signature: 7zfb3m645kbhsxn1szx6fpj7eorx4an8 X-Rspam-User: X-HE-Tag: 1744704128-939470 X-HE-Meta: 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 cijOqKjD jCdsnF2va+XPj9I5qOii4KhbYtD81pT96N3ybuHKbgLE0aT7F65HyalNQid+/FY6Iutsum2KN2r5PVhzinT9vIhYEmymTuA07rMkRIG/4AQ69209MceC2xjnGKPjrSxQPOoZPwP6EV+nHOnhGhUHo4/nxQ3fI06EW2XqZS098mUUnTajL5tOxMhYaXIjrau2V3SQD9eZP/fLwOU3kkLeklsaVEMLiwGSdD3vUthyDp6ESxQK2wVhbTA+CT82H726STYD6h3wRu66v7apgUxLfMaz4Z4gGPFit0LO8IZt8VvWBZMTic+wjIzSR7g== X-Bogosity: Ham, tests=bogofilter, spamicity=0.000000, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: List-Subscribe: List-Unsubscribe: On Tue, Apr 15, 2025 at 09:32:40AM +0200, David Hildenbrand wrote: > Ah, reading about the HVO hackery in the comment above NR_RESET_STRUCT_PAGE, might the following fix it? Yap, I was experimenting in parallel with that after sending the patch and it also fixes the issue, and I think is nicer indeed. I do not want to step on someone else's fet, so do you want me to send the patch or will you? thanks! -- Oscar Salvador SUSE Labs