Messages in this thread Patch in this message | | | From | Peter Zijlstra <> | Subject | [PATCH 28/34] mm: clockpro-PG_reclaim2.patch | Date | Wed, 22 Mar 2006 23:36:24 +0100 |
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From: Peter Zijlstra <a.p.zijlstra@chello.nl>
Add a second PG_flag to the page reclaim framework.
Signed-off-by: Peter Zijlstra <a.p.zijlstra@chello.nl> Signed-off-by: Marcelo Tosatti <marcelo.tosatti@cyclades.com>
---
include/linux/page-flags.h | 2 ++ mm/hugetlb.c | 4 ++-- mm/page_alloc.c | 3 +++ 3 files changed, 7 insertions(+), 2 deletions(-)
Index: linux-2.6/include/linux/page-flags.h =================================================================== --- linux-2.6.orig/include/linux/page-flags.h 2006-03-13 20:38:26.000000000 +0100 +++ linux-2.6/include/linux/page-flags.h 2006-03-13 20:45:31.000000000 +0100 @@ -76,6 +76,8 @@ #define PG_nosave_free 18 /* Free, should not be written */ #define PG_uncached 19 /* Page has been mapped as uncached */ +#define PG_reclaim2 20 /* reserved by the mm reclaim code */ + /* * Global page accounting. One instance per CPU. Only unsigned longs are * allowed. Index: linux-2.6/mm/page_alloc.c =================================================================== --- linux-2.6.orig/mm/page_alloc.c 2006-03-13 20:38:26.000000000 +0100 +++ linux-2.6/mm/page_alloc.c 2006-03-13 20:45:31.000000000 +0100 @@ -150,6 +150,7 @@ static void bad_page(struct page *page) 1 << PG_private | 1 << PG_locked | 1 << PG_reclaim1 | + 1 << PG_reclaim2 | 1 << PG_dirty | 1 << PG_reclaim | 1 << PG_slab | @@ -361,6 +362,7 @@ static inline int free_pages_check(struc 1 << PG_private | 1 << PG_locked | 1 << PG_reclaim1 | + 1 << PG_reclaim2 | 1 << PG_reclaim | 1 << PG_slab | 1 << PG_swapcache | @@ -518,6 +520,7 @@ static int prep_new_page(struct page *pa 1 << PG_private | 1 << PG_locked | 1 << PG_reclaim1 | + 1 << PG_reclaim2 | 1 << PG_dirty | 1 << PG_reclaim | 1 << PG_slab | Index: linux-2.6/mm/hugetlb.c =================================================================== --- linux-2.6.orig/mm/hugetlb.c 2006-03-13 20:38:26.000000000 +0100 +++ linux-2.6/mm/hugetlb.c 2006-03-13 20:45:31.000000000 +0100 @@ -152,8 +152,8 @@ static void update_and_free_page(struct nr_huge_pages_node[page_zone(page)->zone_pgdat->node_id]--; for (i = 0; i < (HPAGE_SIZE / PAGE_SIZE); i++) { page[i].flags &= ~(1 << PG_locked | 1 << PG_error | 1 << PG_referenced | - 1 << PG_dirty | 1 << PG_reclaim1 | 1 << PG_reserved | - 1 << PG_private | 1<< PG_writeback); + 1 << PG_dirty | 1 << PG_reclaim1 | 1 << PG_reclaim2 | + 1 << PG_reserved | 1 << PG_private | 1<< PG_writeback); set_page_count(&page[i], 0); } set_page_count(page, 1); - 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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