commit b30e759072c182538abb6908681cfd49978ba5e2
author Aneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com> Wed Nov 05 21:57:41 2014 +0530
committer Michael Ellerman <mpe@ellerman.id.au> Fri Nov 14 17:24:21 2014 +1100
tree e0079e33156249a8c97c881bfaab428189f984f6
parent f30c59e921f12b209852e1ddc197dc6a8fb0142b

powerpc/mm: Switch to generic RCU get_user_pages_fast

This patch switch the ppc arch to use the generic RCU based
gup implementation.

Signed-off-by: Aneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>

arch/powerpc/Kconfig

diff --git a/arch/powerpc/Kconfig b/arch/powerpc/Kconfig
index 98e9c54..4622733 100644
--- a/arch/powerpc/Kconfig
+++ b/arch/powerpc/Kconfig
@@ -149,6 +149,7 @@
 	select ARCH_SUPPORTS_ATOMIC_RMW
 	select DCACHE_WORD_ACCESS if PPC64 && CPU_LITTLE_ENDIAN
 	select NO_BOOTMEM
+	select HAVE_GENERIC_RCU_GUP
 
 config GENERIC_CSUM
 	def_bool CPU_LITTLE_ENDIAN