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authorGerald Schaefer <gerald.schaefer@de.ibm.com>2012-10-08 16:30:24 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2012-10-09 16:22:31 +0900
commit1ae1c1d09f220ded48ee9a7d91a65e94f95c4af1 (patch)
tree3c6e53c880a946dccb33b81116ca048800b28214 /arch/s390/kernel/early.c
parent274023da1e8a49efa6fd9bf857f8557e5db44cdf (diff)
thp, s390: architecture backend for thp on s390
This implements the architecture backend for transparent hugepages on s390. Signed-off-by: Gerald Schaefer <gerald.schaefer@de.ibm.com> Cc: Andrea Arcangeli <aarcange@redhat.com> Cc: Andi Kleen <ak@linux.intel.com> Cc: Hugh Dickins <hughd@google.com> Cc: Hillf Danton <dhillf@gmail.com> Cc: Martin Schwidefsky <schwidefsky@de.ibm.com> Cc: Heiko Carstens <heiko.carstens@de.ibm.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'arch/s390/kernel/early.c')
-rw-r--r--arch/s390/kernel/early.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/arch/s390/kernel/early.c b/arch/s390/kernel/early.c
index 7f4717675c19..00d114445068 100644
--- a/arch/s390/kernel/early.c
+++ b/arch/s390/kernel/early.c
@@ -388,6 +388,8 @@ static __init void detect_machine_facilities(void)
S390_lowcore.machine_flags |= MACHINE_FLAG_SPP;
if (test_facility(50) && test_facility(73))
S390_lowcore.machine_flags |= MACHINE_FLAG_TE;
+ if (test_facility(66))
+ S390_lowcore.machine_flags |= MACHINE_FLAG_RRBM;
#endif
}