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-rw-r--r--mm/khugepaged.c5
1 files changed, 5 insertions, 0 deletions
diff --git a/mm/khugepaged.c b/mm/khugepaged.c
index 3703a56571c1..9c111273bbf9 100644
--- a/mm/khugepaged.c
+++ b/mm/khugepaged.c
@@ -2577,6 +2577,11 @@ void khugepaged_min_free_kbytes_update(void)
mutex_unlock(&khugepaged_mutex);
}
+bool current_is_khugepaged(void)
+{
+ return kthread_func(current) == khugepaged;
+}
+
static int madvise_collapse_errno(enum scan_result r)
{
/*