bash-4.3$ surfake zfs/ zfs2/ | grep -v Makefile.am | grep -v git
sending incremental file list
>fc.T....... META
>fcsT....... module/zfs/arc.c
>fcsT....... module/zfs/zfs_vnops_osx.c

sent 34.55K bytes  received 211 bytes  69.53K bytes/sec
total size is 43.74M  speedup is 1,258.10 (DRY RUN)
bash-4.3$ diff zfs/module/zfs/arc.c zfs2/module/zfs/arc.c
3962,3964c3962,3967
<
<     /* set max to 1/4 of all memory */
<     arc_c_max = arc_c * 2;
---
>     /* set max to 1/4 of all memory, or all but 3GB, whichever is more */
>     if (arc_c * 8 >= (3ULL << 30)) {
>         arc_c_max = (arc_c * 8) - (3ULL << 30);
>     } else
>         arc_c_max = arc_c_min;
>     arc_c_max = MAX(arc_c * 2, arc_c_max);
bash-4.3$ diff zfs/module/zfs/zfs_vnops_osx.c zfs2/module/zfs/zfs_vnops_osx.c
331c331
< 					   error ? "" : bufptr);
---
> 						error ? "" : bufptr);
341c341
< 				dprintf("ZFS: HFS_TRANSFER_DOCUMENT_ID:\n");
---
> 				printf("ZFS: HFS_TRANSFER_DOCUMENT_ID:\n");
366c366
< 					dprintf("ZFS: source is not TRACKED\n");
---
> 					printf("ZFS: source is not TRACKED\n");
370c370
< 					dprintf("ZFS: destination is already TRACKED\n");
---
> 					printf("ZFS: destination is already TRACKED\n");
389c389
< 					dprintf("ZFS: Moved docid %u from id %llu to id %llu\n",
---
> 					printf("ZFS: Moved docid %u from id %llu to id %llu\n",