Hi Ross, [auto build test WARNING on next-20160120] [cannot apply to v4.4-rc8 v4.4-rc7 v4.4-rc6 v4.4] [if your patch is applied to the wrong git tree, please drop us a note to help improving the system] url: https://github.com/0day-ci/linux/commits/Ross-Zwisler/DAX-fsync-msync-fixes/20160121-114036 config: tile-allyesconfig (attached as .config) 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 warnings (new ones prefixed by >>): >> fs/dax.c:330:0: warning: "PMD_INDEX" redefined [enabled by default] arch/tile/include/asm/pgtable_64.h:35:0: note: this is the location of the previous definition >> fs/dax.c:330:0: warning: "PMD_INDEX" redefined [enabled by default] arch/tile/include/asm/pgtable_64.h:35:0: note: this is the location of the previous definition vim +/PMD_INDEX +330 fs/dax.c 314 .sector = to_sector(bh, inode), 315 .size = bh->b_size, 316 }; 317 struct block_device *bdev = bh->b_bdev; 318 void *vto; 319 320 if (dax_map_atomic(bdev, &dax) < 0) 321 return PTR_ERR(dax.addr); 322 vto = kmap_atomic(to); 323 copy_user_page(vto, (void __force *)dax.addr, vaddr, to); 324 kunmap_atomic(vto); 325 dax_unmap_atomic(bdev, &dax); 326 return 0; 327 } 328 329 #define NO_SECTOR -1 > 330 #define PMD_INDEX(page_index) (page_index & (PMD_MASK >> PAGE_CACHE_SHIFT)) 331 332 static int dax_radix_entry(struct address_space *mapping, pgoff_t index, 333 sector_t sector, bool pmd_entry, bool dirty) 334 { 335 struct radix_tree_root *page_tree = &mapping->page_tree; 336 pgoff_t pmd_index = PMD_INDEX(index); 337 int type, error = 0; 338 void *entry; --- 0-DAY kernel test infrastructure Open Source Technology Center https://lists.01.org/pipermail/kbuild-all Intel Corporation
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