This macro are never used in git history. So better to remove.
Signed-off-by: Alex Shi <alex.shi@xxxxxxxxxxxxxxxxx>
Cc: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
Cc: linux-mm@xxxxxxxxx
Cc: linux-kernel@xxxxxxxxxxxxxxx
---
mm/vmscan.c | 14 --------------
1 file changed, 14 deletions(-)
diff --git a/mm/vmscan.c b/mm/vmscan.c
index 4e699ed3501e..033e7145061b 100644
--- a/mm/vmscan.c
+++ b/mm/vmscan.c
@@ -146,20 +146,6 @@ struct scan_control {
struct reclaim_state reclaim_state;
};
-#ifdef ARCH_HAS_PREFETCH
-#define prefetch_prev_lru_page(_page, _base, _field) \
- do { \
- if ((_page)->lru.prev != _base) { \
- struct page *prev; \
- \
- prev = lru_to_page(&(_page->lru)); \
- prefetch(&prev->_field); \
- } \
- } while (0)
-#else
-#define prefetch_prev_lru_page(_page, _base, _field) do { } while (0)
-#endif
-
#ifdef ARCH_HAS_PREFETCHW
#define prefetchw_prev_lru_page(_page, _base, _field) \
do { \
--
1.8.3.1
