[PATCH] fix unused function warnings

[Zi Yan]

1. add __maybe_unused to get_pageblock_isolate(), which is used in
   VM_BUG_ON only.
2. remove unused set_pageblock_isolate().

Signed-off-by: Zi Yan <ziy@xxxxxxxxxx>
---
 mm/page_isolation.c | 8 +-------
 1 file changed, 1 insertion(+), 7 deletions(-)

diff --git a/mm/page_isolation.c b/mm/page_isolation.c
index b0f83a7c508d..ce7e38c9f839 100644
--- a/mm/page_isolation.c
+++ b/mm/page_isolation.c
@@ -15,7 +15,7 @@
 #define CREATE_TRACE_POINTS
 #include <trace/events/page_isolation.h>

-static inline bool get_pageblock_isolate(struct page *page)
+static inline bool __maybe_unused get_pageblock_isolate(struct page *page)
 {
 	return get_pfnblock_flags_mask(page, page_to_pfn(page),
 			PB_migrate_isolate_bit);
@@ -25,12 +25,6 @@ static inline void clear_pageblock_isolate(struct page *page)
 	set_pfnblock_flags_mask(page, 0, page_to_pfn(page),
 			PB_migrate_isolate_bit);
 }
-static inline void set_pageblock_isolate(struct page *page)
-{
-	set_pfnblock_flags_mask(page, PB_migrate_isolate_bit,
-			page_to_pfn(page),
-			PB_migrate_isolate_bit);
-}

 /*
  * This function checks whether the range [start_pfn, end_pfn) includes
-- 
2.47.2



--
Best Regards,
Yan, Zi