.IR "unsigned long *" ,
for the "get" operations.
.LP
-Sub functions for x86-64 are:
+Subfunctions for x86-64 are:
.TP
.B ARCH_SET_FS
Set the 64-bit base for the
to be portable.
.SH NOTES
.BR arch_prctl ()
-is only supported on Linux/x86-64 for 64-bit programs currently.
+is supported only on Linux/x86-64 for 64-bit programs currently.
The 64-bit base changes when a new 32-bit segment selector is loaded.
.BR set_thread_area (2)
system call in kernel 2.5 or later.
.BR arch_prctl ()
-is only needed when you want to set bases that are larger than 4GB.
+is needed only when you want to set bases that are larger than 4GB.
Memory in the first 2GB of address space can be allocated by using
.BR mmap (2)
with the