commit 80217147a3d80c8a4e48f06e2f6e965455f3fe2a
author Martin Schwidefsky <schwidefsky@de.ibm.com> Mon Oct 25 16:10:11 2010 +0200
committer Martin Schwidefsky <sky@mschwide.boeblingen.de.ibm.com> Mon Oct 25 16:10:15 2010 +0200
tree b419ae9ee3ab0e5b92c0ed2a30ff59b76d6a4978
parent 87799ebab760dd1460f6e4193d4f71ba416d1451

[S390] lockless get_user_pages_fast()

Implement get_user_pages_fast without locking in the fastpath on s390.

Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>

arch/s390/Kconfig

diff --git a/arch/s390/Kconfig b/arch/s390/Kconfig
index 75976a1..7afc173 100644
--- a/arch/s390/Kconfig
+++ b/arch/s390/Kconfig
@@ -101,6 +101,7 @@
 	select HAVE_KERNEL_BZIP2
 	select HAVE_KERNEL_LZMA
 	select HAVE_KERNEL_LZO
+	select HAVE_GET_USER_PAGES_FAST
 	select ARCH_INLINE_SPIN_TRYLOCK
 	select ARCH_INLINE_SPIN_TRYLOCK_BH
 	select ARCH_INLINE_SPIN_LOCK