Hi Alexander, Kernel build failed on tree: git://git.kernel.org/pub/scm/linux/kernel/git/mason/linux-btrfs.git for-dave-only head: b24baf6917a376420d535548e1f88744028bcf24 commit: 31db9f7c23fbf7e95026143f79645de6507b583b [66/68] Btrfs: introduce BTRFS_IOC_SEND for btrfs send/receive config: x86_64-randconfig-h001 (attached as .config) All related error/warning messages: fs/btrfs/send.c: In function 'fs_path_free': fs/btrfs/send.c:185:4: error: implicit declaration of function 'vfree' [-Werror=implicit-function-declaration] fs/btrfs/send.c: In function 'fs_path_ensure_buf': fs/btrfs/send.c:215:4: error: implicit declaration of function 'vmalloc' [-Werror=implicit-function-declaration] fs/btrfs/send.c:215:12: warning: assignment makes pointer from integer without a cast [enabled by default] fs/btrfs/send.c:225:12: warning: assignment makes pointer from integer without a cast [enabled by default] fs/btrfs/send.c:233:13: warning: assignment makes pointer from integer without a cast [enabled by default] fs/btrfs/send.c: In function 'iterate_dir_item': fs/btrfs/send.c:900:10: warning: assignment makes pointer from integer without a cast [enabled by default] fs/btrfs/send.c:909:11: warning: assignment makes pointer from integer without a cast [enabled by default] fs/btrfs/send.c: In function 'btrfs_ioctl_send': fs/btrfs/send.c:4462:17: warning: assignment makes pointer from integer without a cast [enabled by default] fs/btrfs/send.c:4468:17: warning: assignment makes pointer from integer without a cast [enabled by default] fs/btrfs/send.c:4474:2: error: implicit declaration of function 'vzalloc' [-Werror=implicit-function-declaration] fs/btrfs/send.c:4474:20: warning: assignment makes pointer from integer without a cast [enabled by default] fs/btrfs/send.c:4482:21: warning: assignment makes pointer from integer without a cast [enabled by default] cc1: some warnings being treated as errors vim +185 fs/btrfs/send.c 182 return; 183 if (p->buf != p->inline_buf) { 184 if (p->virtual_mem) > 185 vfree(p->buf); 186 else 187 kfree(p->buf); 188 } --- 0-DAY kernel build testing backend Open Source Technology Centre Fengguang Wu Intel Corporation