From 5614dd920a02a524c9abc9573374d81f0535f18a Mon Sep 17 00:00:00 2001 From: Martin Schwidefsky Date: Wed, 22 Apr 2015 14:47:42 +0200 Subject: s390/mm: implement soft-dirty bits for user memory change tracking Use bit 2**1 of the pte and bit 2**14 of the pmd for the soft dirty bit. The fault mechanism to do dirty tracking is already in place. Signed-off-by: Martin Schwidefsky --- arch/s390/Kconfig | 1 + 1 file changed, 1 insertion(+) (limited to 'arch/s390/Kconfig') diff --git a/arch/s390/Kconfig b/arch/s390/Kconfig index 1d57000b1b24..44cb7de499bb 100644 --- a/arch/s390/Kconfig +++ b/arch/s390/Kconfig @@ -118,6 +118,7 @@ config S390 select HAVE_ARCH_EARLY_PFN_TO_NID select HAVE_ARCH_JUMP_LABEL select HAVE_ARCH_SECCOMP_FILTER + select HAVE_ARCH_SOFT_DIRTY select HAVE_ARCH_TRACEHOOK select HAVE_ARCH_TRANSPARENT_HUGEPAGE select HAVE_BPF_JIT if PACK_STACK && HAVE_MARCH_Z196_FEATURES -- cgit v1.2.1