[PATCH v10 1/8] mm: ksm: Export ksm_madvise()

Bharata B Rao
2019-11-04T04:29:53Z

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@linux.ibm.com>
---
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