Fix min_low_pfn/max_low_pfn build errors for arch/ia64/: (e.g.) ERROR: "max_low_pfn" [drivers/rpmsg/virtio_rpmsg_bus.ko] undefined! ERROR: "min_low_pfn" [drivers/rpmsg/virtio_rpmsg_bus.ko] undefined! ERROR: "min_low_pfn" [drivers/hwtracing/intel_th/intel_th_msu.ko] undefined! ERROR: "max_low_pfn" [drivers/hwtracing/intel_th/intel_th_msu.ko] undefined! ERROR: "min_low_pfn" [drivers/crypto/cavium/nitrox/n5pf.ko] undefined! ERROR: "max_low_pfn" [drivers/crypto/cavium/nitrox/n5pf.ko] undefined! ERROR: "max_low_pfn" [drivers/md/dm-integrity.ko] undefined! ERROR: "min_low_pfn" [drivers/md/dm-integrity.ko] undefined! ERROR: "max_low_pfn" [crypto/tcrypt.ko] undefined! ERROR: "min_low_pfn" [crypto/tcrypt.ko] undefined! ERROR: "min_low_pfn" [security/keys/encrypted-keys/encrypted-keys.ko] undefined! ERROR: "max_low_pfn" [security/keys/encrypted-keys/encrypted-keys.ko] undefined! ERROR: "min_low_pfn" [arch/ia64/kernel/mca_recovery.ko] undefined! ERROR: "max_low_pfn" [arch/ia64/kernel/mca_recovery.ko] undefined!
David suggested just exporting min_low_pfn & max_low_pfn in mm/memblock.c: https://lore.kernel.org/lkml/alpine.deb.2.22.394.2006291911220.1118...@chino.kir.corp.google.com/ Reported-by: kernel test robot <l...@intel.com> Signed-off-by: Randy Dunlap <rdun...@infradead.org> Cc: linux...@kvack.org Cc: Andrew Morton <a...@linux-foundation.org> Cc: David Rientjes <rient...@google.com> Cc: Mike Rapoport <r...@linux.ibm.com> Cc: Tony Luck <tony.l...@intel.com> Cc: Fenghua Yu <fenghua...@intel.com> Cc: linux-i...@vger.kernel.org --- arch/ia64/kernel/ia64_ksyms.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) --- linux-next-20200825.orig/arch/ia64/kernel/ia64_ksyms.c +++ linux-next-20200825/arch/ia64/kernel/ia64_ksyms.c @@ -3,7 +3,7 @@ * Architecture-specific kernel symbols */ -#ifdef CONFIG_VIRTUAL_MEM_MAP +#if defined(CONFIG_VIRTUAL_MEM_MAP) || defined(CONFIG_DISCONTIGMEM) #include <linux/compiler.h> #include <linux/export.h> #include <linux/memblock.h>