From: Peter Zijlstra <[email protected]>
move macro's out of vmscan into the generic page replace header so the
rest of the world can use them too.
Signed-off-by: Peter Zijlstra <[email protected]>
Signed-off-by: Marcelo Tosatti <[email protected]>
---
include/linux/mm_page_replace.h | 30 ++++++++++++++++++++++++++++++
mm/vmscan.c | 30 ------------------------------
2 files changed, 30 insertions(+), 30 deletions(-)
Index: linux-2.6-git/include/linux/mm_page_replace.h
===================================================================
--- linux-2.6-git.orig/include/linux/mm_page_replace.h
+++ linux-2.6-git/include/linux/mm_page_replace.h
@@ -8,6 +8,36 @@
#include <linux/pagevec.h>
#include <linux/mm_inline.h>
+#define lru_to_page(_head) (list_entry((_head)->prev, struct page, lru))
+
+#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 { \
+ if ((_page)->lru.prev != _base) { \
+ struct page *prev; \
+ \
+ prev = lru_to_page(&(_page->lru)); \
+ prefetchw(&prev->_field); \
+ } \
+ } while (0)
+#else
+#define prefetchw_prev_lru_page(_page, _base, _field) do { } while (0)
+#endif
+
/* void page_replace_hint_active(struct page *); */
/* void page_replace_hint_use_once(struct page *); */
extern void fastcall page_replace_add(struct page *);
Index: linux-2.6-git/mm/vmscan.c
===================================================================
--- linux-2.6-git.orig/mm/vmscan.c
+++ linux-2.6-git/mm/vmscan.c
@@ -93,36 +93,6 @@ struct shrinker {
long nr; /* objs pending delete */
};
-#define lru_to_page(_head) (list_entry((_head)->prev, struct page, lru))
-
-#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 { \
- if ((_page)->lru.prev != _base) { \
- struct page *prev; \
- \
- prev = lru_to_page(&(_page->lru)); \
- prefetchw(&prev->_field); \
- } \
- } while (0)
-#else
-#define prefetchw_prev_lru_page(_page, _base, _field) do { } while (0)
-#endif
-
/*
* From 0 .. 100. Higher means more swappy.
*/
-
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