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b=NKO+ZrBdlfWjXd7WcH8GvFLTdQ8JhCsYoHPaEI3BlWJ0L9mb8kfb3Lhx3q8vaE2nO DRYUyhnk+Jm7YdZ6e0jqH2o0QTng+MGhcG/Zq8etPnI5M+/Naz87pp0BwSSRGiABp4 wjfWtSRynhiQgTbCTGOOnAaKP4mJ7MLH0cu3XRgc= Date: Tue, 4 Nov 2025 14:15:01 -0800 From: Andrew Morton To: Pasha Tatashin Cc: Mike Rapoport , llvm@lists.linux.dev, oe-kbuild-all@lists.linux.dev, Linux Memory Management List , kernel test robot Subject: Re: [linux-next:master 4972/5926] kernel/kexec_handover_debug.c:16:18: error: use of undeclared identifier 'kho_scratch_cnt' Message-Id: <20251104141501.48a1f76a3f83967f08d00097@linux-foundation.org> In-Reply-To: References: <202511042251.paO6f5BZ-lkp@intel.com> X-Mailer: Sylpheed 3.8.0beta1 (GTK+ 2.24.33; x86_64-pc-linux-gnu) Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit X-Stat-Signature: 4oigkjz8p7swdjwri597srb6geye5oq6 X-Rspam-User: X-Rspamd-Queue-Id: 5CE4F180010 X-Rspamd-Server: rspam10 X-HE-Tag: 1762294503-113351 X-HE-Meta: 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 ycEWg8QT YrvyBvntxFsa1W4f7WAIsth/H50/muXW8S4/qLAVEvwNRSi/S9e2uRDYbQTlkOvwidCiFdt9pIEp4Ttacy35q9be2inSrX2kssek60Qmgfyx1PM6v/OVfMQhW1qmmiVeMuYu1XXcM/qH0l0dS9vHwhaHZ5CwXsgKtc5cyCma2rArCSl1xGb7giO9Tgbsroc6C20AWhEat4yazj2opHclt2h0rCnl3Z++cis/KHXrhLgF0RXrZpYRWtq1cpTE12k1c0h0GuGZ4lW0dii9y17jJdXmnk006cCjUVqlOUHs+fp1JlgfTL43e0nvVDgCX37VC+Hf9HULkIsNPOZSvADqrb4sgQ3j8lnmS3/Yg 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, 4 Nov 2025 12:50:49 -0500 Pasha Tatashin wrote: > The fix looks like this: > diff --git a/kernel/kexec_handover.c b/kernel/kexec_handover.c > index de4466b47455..2a8c20c238a8 100644 > --- a/kernel/kexec_handover.c > +++ b/kernel/kexec_handover.c > @@ -477,8 +477,8 @@ static void __init kho_mem_deserialize(const void *fdt) > * area for early allocations that happen before page allocator is > * initialized. > */ > -static struct kho_scratch *kho_scratch; > -static unsigned int kho_scratch_cnt; > +struct kho_scratch *kho_scratch; > +unsigned int kho_scratch_cnt; This patch is making changes which are already present. > --- a/kernel/kexec_handover_internal.h > +++ b/kernel/kexec_handover_internal.h Against files which were moved to kernel/liveupdate/! > Andrew, Mike, do you want me to resend the "[PATCH v3 0/3] KHO: kfence > + KHO memory corruption fix" series with the fix included? A little fix against what's presently in mm.git would be great, please.