path: root/mm/ksm.c
diff options
authorBharata B Rao <>2019-11-25 08:36:25 +0530
committerPaul Mackerras <>2019-11-28 16:23:03 +1100
commit33cf170715e87efd0608af6f2c056cafe0e7fc47 (patch)
tree32238b2222c2428fb1889fc8302d112a8466d873 /mm/ksm.c
parent96710247298df52a4b8150a62a6fe87083093ff3 (diff)
mm: ksm: Export ksm_madvise()
On PEF-enabled POWER platforms that support running of secure guests, secure pages of the guest are represented by device private pages in the host. Such pages needn't participate in KSM merging. This is achieved by using ksm_madvise() call which need to be exported since KVM PPC can be a kernel module. Signed-off-by: Bharata B Rao <> Acked-by: Hugh Dickins <> Cc: Andrea Arcangeli <> Signed-off-by: Paul Mackerras <>
Diffstat (limited to 'mm/ksm.c')
1 files changed, 1 insertions, 0 deletions
diff --git a/mm/ksm.c b/mm/ksm.c
index dbee2eb4dd05..e45b02ad3f0b 100644
--- a/mm/ksm.c
+++ b/mm/ksm.c
@@ -2478,6 +2478,7 @@ int ksm_madvise(struct vm_area_struct *vma, unsigned long start,
return 0;
int __ksm_enter(struct mm_struct *mm)