On Mon, Dec 10, 2018 at 01:51:13PM -0800, Luck, Tony wrote: > But the ia64 build fails with: Yes, I just got the same complaint form the buildbot, unfortunately I don't have a good ia64 cross compiler locally given that Debian is lacking one, and the one provided by the buildbot doesn't build on Debian either.. This should fix it: diff --git a/arch/ia64/mm/init.c b/arch/ia64/mm/init.c index 2c51733f1dfd..a007afaa556c 100644 --- a/arch/ia64/mm/init.c +++ b/arch/ia64/mm/init.c @@ -8,6 +8,7 @@ #include <linux/kernel.h> #include <linux/init.h> +#include <linux/dma-noncoherent.h> #include <linux/efi.h> #include <linux/elf.h> #include <linux/memblock.h>