On Wed, Aug 27, 2014 at 12:56:13PM +0300, Dan Carpenter wrote: > > tree: git://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git master > head: d05446ae2128064a4bb8f74c84f6901ffb5c94bc > commit: 802d335c0f7f1a1867bf59814c55970a71b10413 [2131/2422] prctl: PR_SET_MM -- introduce PR_SET_MM_MAP operation > > kernel/sys.c:1888 prctl_set_mm_map() warn: maybe return -EFAULT instead of the bytes remaining? > > git remote add next git://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git > git remote update next > git checkout 802d335c0f7f1a1867bf59814c55970a71b10413 > vim +1888 kernel/sys.c > > 802d335c Cyrill Gorcunov 2014-08-26 1872 > 802d335c Cyrill Gorcunov 2014-08-26 1873 mm->start_code = prctl_map.start_code; > 802d335c Cyrill Gorcunov 2014-08-26 1874 mm->end_code = prctl_map.end_code; > 802d335c Cyrill Gorcunov 2014-08-26 1875 mm->start_data = prctl_map.start_data; > 802d335c Cyrill Gorcunov 2014-08-26 1876 mm->end_data = prctl_map.end_data; > 802d335c Cyrill Gorcunov 2014-08-26 1877 mm->start_brk = prctl_map.start_brk; > 802d335c Cyrill Gorcunov 2014-08-26 1878 mm->brk = prctl_map.brk; > 802d335c Cyrill Gorcunov 2014-08-26 1879 mm->start_stack = prctl_map.start_stack; > 802d335c Cyrill Gorcunov 2014-08-26 1880 mm->arg_start = prctl_map.arg_start; > 802d335c Cyrill Gorcunov 2014-08-26 1881 mm->arg_end = prctl_map.arg_end; > 802d335c Cyrill Gorcunov 2014-08-26 1882 mm->env_start = prctl_map.env_start; > 802d335c Cyrill Gorcunov 2014-08-26 1883 mm->env_end = prctl_map.env_end; > 802d335c Cyrill Gorcunov 2014-08-26 1884 > 802d335c Cyrill Gorcunov 2014-08-26 1885 error = 0; > 802d335c Cyrill Gorcunov 2014-08-26 1886 out: > 802d335c Cyrill Gorcunov 2014-08-26 1887 up_read(&mm->mmap_sem); > 802d335c Cyrill Gorcunov 2014-08-26 @1888 return error; Not really sure I'm follow. @error is error code either 0 (on success) or any other if some problem happened. -- 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>