Hi Nitesh, [auto build test ERROR on kvm/linux-next] [also build test ERROR on v4.13 next-20170914] [if your patch is applied to the wrong git tree, please drop us a note to help improve the system] url: https://github.com/0day-ci/linux/commits/Nitesh-Narayan-Lal/KVM-Guest-page-hinting/20170915-021634 base: https://git.kernel.org/pub/scm/virt/kvm/kvm.git linux-next config: x86_64-rhel (attached as .config) compiler: gcc-6 (Debian 6.2.0-3) 6.2.0 20160901 reproduce: # save the attached .config to linux build tree make ARCH=x86_64 All errors (new ones prefixed by >>): mm/page_alloc.o: In function `__free_pages_ok': page_alloc.c:(.text+0x16e9): undefined reference to `arch_free_page' mm/page_alloc.o: In function `post_alloc_hook': page_alloc.c:(.text+0x2424): undefined reference to `arch_alloc_page' mm/page_alloc.o: In function `free_hot_cold_page': page_alloc.c:(.text+0x3307): undefined reference to `arch_free_page' mm/page_alloc.o: In function `get_page_from_freelist': page_alloc.c:(.text+0x3fdd): undefined reference to `arch_alloc_page' page_alloc.c:(.text+0x45e3): undefined reference to `arch_alloc_page' drivers/virtio/virtio_balloon.o: In function `virtballoon_page_hinting': >> virtio_balloon.c:(.text+0x242): undefined reference to `hypervisor_pagelist' virtio_balloon.c:(.text+0x265): undefined reference to `hypervisor_pagelist' drivers/virtio/virtio_balloon.o: In function `virtballoon_probe': >> virtio_balloon.c:(.text+0x98f): undefined reference to `request_hypercall' >> virtio_balloon.c:(.text+0x99a): undefined reference to `balloon_ptr' --- 0-DAY kernel test infrastructure Open Source Technology Center https://lists.01.org/pipermail/kbuild-all Intel Corporation
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