On Thu, 16 Jul 2015 14:41:52 +0100 Mark Brown <broonie@xxxxxxxxxx> wrote: > On Thu, Jul 16, 2015 at 11:05:11AM +0100, Build bot for Mark Brown wrote: > > Today's linux-next fails to build an arm64 allnoconfig due to "mm: make > GUP handle pfn mapping unless FOLL_GET is requested" which causes: > > > arm64-allnoconfig > > ../mm/gup.c:51:4: error: implicit declaration of function 'update_mmu_cache' [-Werror=implicit-function-declaration] > > The update_mmu_cache() function is defined unconditionally in > asm/tlbflush.h so there is presumably some path of conditional > inclusions which causes it not to get declared in an allnoconfig - I > didn't chase that down yet. I did te obvious: --- a/mm/gup.c~mm-make-gup-handle-pfn-mapping-unless-foll_get-is-requested-fix +++ a/mm/gup.c @@ -12,7 +12,9 @@ #include <linux/sched.h> #include <linux/rwsem.h> #include <linux/hugetlb.h> + #include <asm/pgtable.h> +#include <asm/tlbflush.h> #include "internal.h" I don't have arm64 toolchain here, but it fixed the error on arm and that's what mm/memory.c does. -- To unsubscribe from this list: send the line "unsubscribe linux-next" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
