This adds an export for flush_tlb_all to i386_ksyms.c. The drm modules
miss this, when compiling for SMP.
Original fix from Pasi Savolainen, but for some reason this was not
included until now (2.5.73-mm1).
His comment:
  > drivers/char/drm/drm_memory.h needs this to compile as module (at
  > least)on SMP, where flush_tlb_all() isn't a inline macro.

Rediffed against 2.5.73-mm1. Tested loading of the module on UP/k7 with 
SMP config. I only have a R300 board, so I can't really test the driver.
I think the other drm modules should also be loadable again with this patch.

Thanks,

Jan