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authorMartin Schwidefsky <schwidefsky@de.ibm.com>2011-06-06 14:14:41 +0200
committerMartin Schwidefsky <schwidefsky@de.ibm.com>2011-06-06 14:14:56 +0200
commit36409f6353fc2d7b6516e631415f938eadd92ffa (patch)
tree6348a841e76a1ddff366bc1259c1ea64685d87b2 /arch/s390/Kconfig
parent3ec90878bade9280dee87c9e27d759f1cee07e70 (diff)
[S390] use generic RCU page-table freeing code
Replace the s390 specific rcu page-table freeing code with the generic variant. This requires to duplicate the definition for the struct mmu_table_batch as s390 does not use the generic tlb flush code. While we are at it remove the restriction that page table fragments can not be reused after a single fragment has been freed with rcu and split out allocation and freeing of page tables with pgstes. Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
Diffstat (limited to 'arch/s390/Kconfig')
-rw-r--r--arch/s390/Kconfig1
1 files changed, 1 insertions, 0 deletions
diff --git a/arch/s390/Kconfig b/arch/s390/Kconfig
index 9fab2aa9c2c8..90d77bd078f5 100644
--- a/arch/s390/Kconfig
+++ b/arch/s390/Kconfig
@@ -89,6 +89,7 @@ config S390
select HAVE_GET_USER_PAGES_FAST
select HAVE_ARCH_MUTEX_CPU_RELAX
select HAVE_ARCH_JUMP_LABEL if !MARCH_G5
+ select HAVE_RCU_TABLE_FREE if SMP
select ARCH_INLINE_SPIN_TRYLOCK
select ARCH_INLINE_SPIN_TRYLOCK_BH
select ARCH_INLINE_SPIN_LOCK