The kernel, bpf tool, perf tool, and kselftest builds fine for v6.12.18-rc1 on x86 Azure VM. Kernel binary size for x86 build: text data bss dec hex filename 27755354 17713522 6397952 51866828 3176ccc vmlinux arm64 build on Azure VM fails with the following error: CC arch/arm64/kernel/vdso.o arch/arm64/mm/hugetlbpage.c: In function 'huge_ptep_get_and_clear': arch/arm64/mm/hugetlbpage.c:386:35: error: 'sz' undeclared (first use in this function); did you mean 's8'? 386 | ncontig = num_contig_ptes(sz, &pgsize); | ^~ | s8 arch/arm64/mm/hugetlbpage.c:386:35: note: each undeclared identifier is reported only once for each function it appears in Same issue with v6.13.6-rc1 Tested-by: Hardik Garg <hargar@xxxxxxxxxxxxxxxxxxx> Thanks, Hardik