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-rw-r--r--mm/madvise.c10
1 files changed, 10 insertions, 0 deletions
diff --git a/mm/madvise.c b/mm/madvise.c
index 319528b8db74..2221491ed503 100644
--- a/mm/madvise.c
+++ b/mm/madvise.c
@@ -71,6 +71,12 @@ static long madvise_behavior(struct vm_area_struct * vma,
if (error)
goto out;
break;
+ case MADV_HUGEPAGE:
+ case MADV_NOHUGEPAGE:
+ error = hugepage_madvise(vma, &new_flags, behavior);
+ if (error)
+ goto out;
+ break;
}
if (new_flags == vma->vm_flags) {
@@ -283,6 +289,10 @@ madvise_behavior_valid(int behavior)
case MADV_MERGEABLE:
case MADV_UNMERGEABLE:
#endif
+#ifdef CONFIG_TRANSPARENT_HUGEPAGE
+ case MADV_HUGEPAGE:
+ case MADV_NOHUGEPAGE:
+#endif
return 1;
default: