sparc64: use RCU page table freeing
authorDavid S. Miller <davem@davemloft.net>
Tue, 26 Jul 2011 00:12:21 +0000 (17:12 -0700)
committerLinus Torvalds <torvalds@linux-foundation.org>
Tue, 26 Jul 2011 03:57:10 +0000 (20:57 -0700)
commit4a0100f7546fb642e0e04a38fa7ca198cd016b47
tree15ed3de95abf8715a157922e6ac9c6b5fa34e200
parent4dedbf8dc1c825f2e4aa2d2624058533b5d76f85
sparc64: use RCU page table freeing

Make use of the generic RCU page table freeing on Sparc64, doing so allows
for race-free software page-table walkers like gup_fast().

Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Peter Zijlstra <a.p.zijlstra@chello.nl>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
arch/sparc/Kconfig
arch/sparc/include/asm/pgalloc_64.h