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b=RL/OtnymtiOv/8oA1itc+piZB+wYOpkgu3xLOj1e7E8nx80Cp+tgIlY4xyPnfY4Jz 9GK+D/XjhmJvMRg/XywuiWp8uN6EXr5xDsRbDuFtyl45ebV5zXU3IuyNHHH48UOMsr NU+an4nUvUZ7i/mOBwYE76K13vWxU1OzjZtqnwk4E4Fu5svDQUcj0UTEZl7Snq14Vo idyLYUbEZqZs6cjowTbN8VunrI+7/83feOGnTwfqs/tyB/XHj3jQAlZYC3g03Mtxf9 Gt8nuwURHbjepkEiXrB3XDeEIDOefYTRDSpTUxXiC/ujRloxwi8lLgdAbXSJ5XKP2m 3F+OM4y/2lu0g== From: Mike Rapoport To: Andrew Morton Cc: Alexander Graf , Mike Rapoport , Pasha Tatashin , Pratyush Yadav , kexec@lists.infradead.org, linux-mm@kvack.org, linux-kernel@vger.kernel.org Subject: [PATCH 0/2] kho: fixes for vmalloc restoration Date: Tue, 25 Nov 2025 13:09:15 +0200 Message-ID: <20251125110917.843744-1-rppt@kernel.org> X-Mailer: git-send-email 2.50.1 MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Stat-Signature: rxk38rfw6opz1p9y1tgrbkof77zukres X-Rspam-User: X-Rspamd-Queue-Id: EC7901A0008 X-Rspamd-Server: rspam01 X-HE-Tag: 1764068963-455314 X-HE-Meta: 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 sj6x/Q7W Kl8JYQ2yr1UfJarYRBzP5cr4tiq4VjXm/WABCMvId2VpanmxbHIk2J4puyDMI3UU38sTFrOMd2LSaZSTdgoetGiryJTl4bYrCcFEysiqrVO/e1u0SskA8kTiZu8M++gVphLAPyAMQmrxaJQfk16a/vetVvOxb5LQqbrXG635RE3cMN9e2E2eysuIG5qVRehr25hH5ySxKCxTs3NIYhfkXOP9tgKdX8g7nd8KuDLPerRrlNT8= 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: From: "Mike Rapoport (Microsoft)" Hi, Pratyush reported off-list that when kho_restore_vmalloc() is used to restore a vmalloc_huge() allocation it hits VM_BUG_ON() when we reconstruct the struct pages in kho_restore_pages(). These patches fix the issue. Mike Rapoport (Microsoft) (2): kho: kho_restore_vmalloc: fix initialization of pages array kho: fix restoring of contiguous ranges of order-0 pages kernel/liveupdate/kexec_handover.c | 22 +++++++++++++--------- 1 file changed, 13 insertions(+), 9 deletions(-) -- 2.50.1