Tony, I can take it via the memblock tree, would appreciate an Ack. On Fri, Aug 28, 2020 at 05:01:26PM -0700, Randy Dunlap wrote: > 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.2.22.394.2006291911220.1118534@xxxxxxxxxxxxxxxxxxxxxxxxx/ > > Reported-by: kernel test robot <lkp@xxxxxxxxx> > Signed-off-by: Randy Dunlap <rdunlap@xxxxxxxxxxxxx> > Cc: linux-mm@xxxxxxxxx > Cc: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx> > Cc: David Rientjes <rientjes@xxxxxxxxxx> > Cc: Mike Rapoport <rppt@xxxxxxxxxxxxx> > Cc: Tony Luck <tony.luck@xxxxxxxxx> > Cc: Fenghua Yu <fenghua.yu@xxxxxxxxx> > Cc: linux-ia64@xxxxxxxxxxxxxxx > --- > 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> -- Sincerely yours, Mike.