Messages in this thread Patch in this message | | | From | Peter Zijlstra <> | Subject | [PATCH 07/34] mm: page-replace-move-macros.patch | Date | Wed, 22 Mar 2006 23:32:50 +0100 |
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From: Peter Zijlstra <a.p.zijlstra@chello.nl>
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 <a.p.zijlstra@chello.nl> Signed-off-by: Marcelo Tosatti <marcelo.tosatti@cyclades.com>
---
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. */ - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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