On Wed, Aug 17, 2016 at 01:15:53AM +0800, kbuild test robot wrote: > [auto build test ERROR on mmotm/master] > [also build test ERROR on v4.8-rc2 next-20160816] > [if your patch is applied to the wrong git tree, please drop us a note to help improve the system] > > url: https://github.com/0day-ci/linux/commits/Catalin-Marinas/mm-kmemleak-Avoid-using-__va-on-addresses-that-don-t-have-a-lowmem-mapping/20160816-232733 > base: git://git.cmpxchg.org/linux-mmotm.git master > config: tile-tilegx_defconfig (attached as .config) > compiler: tilegx-linux-gcc (GCC) 4.6.2 > reproduce: > wget https://git.kernel.org/cgit/linux/kernel/git/wfg/lkp-tests.git/plain/sbin/make.cross -O ~/bin/make.cross > chmod +x ~/bin/make.cross > # save the attached .config to linux build tree > make.cross ARCH=tile > > All error/warnings (new ones prefixed by >>): > > In file included from include/linux/kmemleak.h:24:0, > from include/linux/slab.h:117, > from arch/tile/include/asm/pgtable.h:27, > from mm/init-mm.c:9: > include/linux/mm.h: In function 'is_vmalloc_addr': > include/linux/mm.h:486:17: error: 'VMALLOC_START' undeclared (first use in this function) > include/linux/mm.h:486:17: note: each undeclared identifier is reported only once for each function it appears in > include/linux/mm.h:486:41: error: 'VMALLOC_END' undeclared (first use in this function) > include/linux/mm.h: In function 'maybe_mkwrite': > include/linux/mm.h:624:3: error: implicit declaration of function 'pte_mkwrite' > include/linux/mm.h:624:7: error: incompatible types when assigning to type 'pte_t' from type 'int' > In file included from include/linux/kmemleak.h:24:0, > from include/linux/slab.h:117, > from arch/tile/include/asm/pgtable.h:27, > from mm/init-mm.c:9: It looks like some architectures don't really like including linux/mm.h from linux/kmemleak.h. I'll change the patch to avoid this include and explicitly declare high_memory in kmemleak.h -- Catalin -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@xxxxxxxxx. For more info on Linux MM, see: http://www.linux-mm.org/ . Don't email: <a href=mailto:"dont@xxxxxxxxx";> email@xxxxxxxxx </a>