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-rw-r--r--mm/pagewalk.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/mm/pagewalk.c b/mm/pagewalk.c
index 8d2da5dec1e0..c3084ff2569d 100644
--- a/mm/pagewalk.c
+++ b/mm/pagewalk.c
@@ -258,6 +258,9 @@ static int __walk_page_range(unsigned long start, unsigned long end,
/**
* walk_page_range - walk page table with caller specific callbacks
+ * @start: start address of the virtual address range
+ * @end: end address of the virtual address range
+ * @walk: mm_walk structure defining the callbacks and the target address space
*
* Recursively walk the page table tree of the process represented by @walk->mm
* within the virtual address range [@start, @end). During walking, we can do