diff options
| author | David S. Miller <davem@davemloft.net> | 2011-07-25 17:12:21 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2011-07-25 20:57:10 -0700 |
| commit | 4a0100f7546fb642e0e04a38fa7ca198cd016b47 (patch) | |
| tree | 15ed3de95abf8715a157922e6ac9c6b5fa34e200 /arch/sparc/Kconfig | |
| parent | 4dedbf8dc1c825f2e4aa2d2624058533b5d76f85 (diff) | |
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>
Diffstat (limited to 'arch/sparc/Kconfig')
| -rw-r--r-- | arch/sparc/Kconfig | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/arch/sparc/Kconfig b/arch/sparc/Kconfig index af64348775e..1074dddcb10 100644 --- a/arch/sparc/Kconfig +++ b/arch/sparc/Kconfig @@ -41,6 +41,7 @@ config SPARC64 select HAVE_FUNCTION_TRACE_MCOUNT_TEST select HAVE_KRETPROBES select HAVE_KPROBES + select HAVE_RCU_TABLE_FREE if SMP select HAVE_MEMBLOCK select HAVE_SYSCALL_WRAPPERS select HAVE_DYNAMIC_FTRACE |