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 <[email protected]> Signed-off-by: Randy Dunlap <[email protected]> Cc: [email protected] Cc: Andrew Morton <[email protected]> Cc: David Rientjes <[email protected]> Cc: Mike Rapoport <[email protected]> Cc: Tony Luck <[email protected]> Cc: Fenghua Yu <[email protected]> Cc: [email protected] --- 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>
