xf86getpagesize() implemented in os-support/linux/libc_wrapper.c is not
used throughout the server currently for code affected by processor
Global variables "xf86pagesize" and "xf86pagemask" should be set at server
startup with a call to xf86getpagesize(). This is particularly important on
platforms like ia64 and alpha where pagesize is kernel compile time selectable.
*** Bug 84131 has been marked as a duplicate of this bug. ***