KVM PPC module needs ksm_madvise() for supporting secure guests. Guest pages that become secure are represented as device private pages in the host. Such pages shouldn't participate in KSM merging. Signed-off-by: Bharata B Rao <bharata@xxxxxxxxxxxxx> --- mm/ksm.c | 1 + 1 file changed, 1 insertion(+) 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; } +EXPORT_SYMBOL_GPL(ksm_madvise); int __ksm_enter(struct mm_struct *mm) { -- 2.21.0