From: Peter Zijlstra <a.p.zijlstra@chello.nl>
To: linux-mm@kvack.org
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Subject: [PATCH 22/39] mm: pgrep: per policy PG_flags
Date: Wed, 12 Jul 2006 16:41:14 +0200 [thread overview]
Message-ID: <20060712144114.16998.58510.sendpatchset@lappy> (raw)
In-Reply-To: <20060712143659.16998.6444.sendpatchset@lappy>
From: Peter Zijlstra <a.p.zijlstra@chello.nl>
Abstract the replacement policy specific pageflags.
Signed-off-by: Peter Zijlstra <a.p.zijlstra@chello.nl>
Signed-off-by: Marcelo Tosatti <marcelo.tosatti@cyclades.com>
include/linux/mm_use_once_policy.h | 8 ++++++++
include/linux/page-flags.h | 7 +------
mm/hugetlb.c | 2 +-
mm/page_alloc.c | 6 +++---
4 files changed, 13 insertions(+), 10 deletions(-)
Index: linux-2.6/include/linux/mm_use_once_policy.h
===================================================================
--- linux-2.6.orig/include/linux/mm_use_once_policy.h 2006-07-12 16:09:19.000000000 +0200
+++ linux-2.6/include/linux/mm_use_once_policy.h 2006-07-12 16:11:36.000000000 +0200
@@ -5,6 +5,14 @@
#include <linux/fs.h>
#include <linux/rmap.h>
+#include <linux/page-flags.h>
+
+#define PG_active PG_reclaim1
+
+#define PageActive(page) test_bit(PG_active, &(page)->flags)
+#define SetPageActive(page) set_bit(PG_active, &(page)->flags)
+#define ClearPageActive(page) clear_bit(PG_active, &(page)->flags)
+#define __ClearPageActive(page) __clear_bit(PG_active, &(page)->flags)
static inline void
add_page_to_active_list(struct zone *zone, struct page *page)
Index: linux-2.6/include/linux/page-flags.h
===================================================================
--- linux-2.6.orig/include/linux/page-flags.h 2006-07-12 16:07:30.000000000 +0200
+++ linux-2.6/include/linux/page-flags.h 2006-07-12 16:11:30.000000000 +0200
@@ -70,7 +70,7 @@
#define PG_dirty 4
#define PG_lru 5
-#define PG_active 6
+#define PG_reclaim1 6 /* reserved by the mm reclaim code */
#define PG_slab 7 /* slab debug (Suparna wants this) */
#define PG_checked 8 /* kill me in 2.5.<early>. */
@@ -259,11 +259,6 @@ extern void __mod_page_state_offset(unsi
#define ClearPageLRU(page) clear_bit(PG_lru, &(page)->flags)
#define __ClearPageLRU(page) __clear_bit(PG_lru, &(page)->flags)
-#define PageActive(page) test_bit(PG_active, &(page)->flags)
-#define SetPageActive(page) set_bit(PG_active, &(page)->flags)
-#define ClearPageActive(page) clear_bit(PG_active, &(page)->flags)
-#define __ClearPageActive(page) __clear_bit(PG_active, &(page)->flags)
-
#define PageSlab(page) test_bit(PG_slab, &(page)->flags)
#define __SetPageSlab(page) __set_bit(PG_slab, &(page)->flags)
#define __ClearPageSlab(page) __clear_bit(PG_slab, &(page)->flags)
Index: linux-2.6/mm/page_alloc.c
===================================================================
--- linux-2.6.orig/mm/page_alloc.c 2006-07-12 16:09:19.000000000 +0200
+++ linux-2.6/mm/page_alloc.c 2006-07-12 16:11:30.000000000 +0200
@@ -149,7 +149,7 @@ static void bad_page(struct page *page)
page->flags &= ~(1 << PG_lru |
1 << PG_private |
1 << PG_locked |
- 1 << PG_active |
+ 1 << PG_reclaim1 |
1 << PG_dirty |
1 << PG_reclaim |
1 << PG_slab |
@@ -379,7 +379,7 @@ static inline int free_pages_check(struc
1 << PG_lru |
1 << PG_private |
1 << PG_locked |
- 1 << PG_active |
+ 1 << PG_reclaim1 |
1 << PG_reclaim |
1 << PG_slab |
1 << PG_swapcache |
@@ -527,7 +527,7 @@ static int prep_new_page(struct page *pa
1 << PG_lru |
1 << PG_private |
1 << PG_locked |
- 1 << PG_active |
+ 1 << PG_reclaim1 |
1 << PG_dirty |
1 << PG_reclaim |
1 << PG_slab |
Index: linux-2.6/mm/hugetlb.c
===================================================================
--- linux-2.6.orig/mm/hugetlb.c 2006-07-12 16:07:32.000000000 +0200
+++ linux-2.6/mm/hugetlb.c 2006-07-12 16:11:30.000000000 +0200
@@ -291,7 +291,7 @@ 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_active | 1 << PG_reserved |
+ 1 << PG_dirty | 1 << PG_reclaim1 | 1 << PG_reserved |
1 << PG_private | 1<< PG_writeback);
}
page[1].lru.next = NULL;
--
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next prev parent reply other threads:[~2006-07-12 14:41 UTC|newest]
Thread overview: 44+ messages / expand[flat|nested] mbox.gz Atom feed top
2006-07-12 14:36 [PATCH 0/39] mm: 2.6.17-pr1 - generic page-replacement framework and 4 new policies Peter Zijlstra
2006-07-12 14:37 ` [PATCH 1/39] mm: disuse activate_page() Peter Zijlstra
2006-07-12 14:37 ` [PATCH 2/39] mm: adjust blk_congestion_wait() logic Peter Zijlstra
2006-07-12 14:37 ` [PATCH 3/39] mm: pgrep: prepare for page replace framework Peter Zijlstra
2006-07-12 14:37 ` [PATCH 4/39] mm: pgrep: convert insertion Peter Zijlstra
2006-07-12 14:37 ` [PATCH 5/39] mm: pgrep: add a use-once insertion hint Peter Zijlstra
2006-07-12 14:38 ` [PATCH 6/39] mm: pgrep: generice __pagevec_*_add Peter Zijlstra
2006-07-12 14:38 ` [PATCH 7/39] mm: pgrep: abstract the activation logic Peter Zijlstra
2006-07-12 14:38 ` [PATCH 8/39] mm: pgrep: move useful macros around Peter Zijlstra
2006-07-12 14:38 ` [PATCH 9/39] mm: pgrep: move struct scan_control around Peter Zijlstra
2006-07-12 14:38 ` [PATCH 10/39] mm: pgrep: isolate the reclaim_mapped logic Peter Zijlstra
2006-07-12 14:39 ` [PATCH 11/39] mm: pgrep: replace mark_page_accessed Peter Zijlstra
2006-07-12 14:39 ` [PATCH 12/39] mm: pgrep: move the shrink logic Peter Zijlstra
2006-07-12 14:39 ` [PATCH 13/39] mm: pgrep: abstract rotate_reclaimable_page() Peter Zijlstra
2006-07-12 14:39 ` [PATCH 14/39] mm: pgrep: manage page-state Peter Zijlstra
2006-07-12 14:39 ` [PATCH 15/39] mm: pgrep: abstract page removal Peter Zijlstra
2006-07-12 14:40 ` [PATCH 16/39] mm: pgrep: remove mm_inline.h Peter Zijlstra
2006-07-12 14:40 ` [PATCH 17/39] mm: pgrep: re-insertion logic Peter Zijlstra
2006-07-12 14:40 ` [PATCH 18/39] mm: pgrep: initialisation hooks Peter Zijlstra
2006-07-12 14:40 ` [PATCH 19/39] mm: pgrep: info functions Peter Zijlstra
2006-07-12 14:40 ` [PATCH 20/39] mm: pgrep: page count functions Peter Zijlstra
2006-07-12 14:41 ` [PATCH 21/39] mm: pgrep: per policy data Peter Zijlstra
2006-07-12 14:41 ` Peter Zijlstra [this message]
2006-07-12 14:41 ` [PATCH 23/39] mm: pgrep: nonresident page tracking hooks Peter Zijlstra
2006-07-12 14:41 ` [PATCH 24/39] mm: pgrep: generic shrinker logic Peter Zijlstra
2006-07-12 14:41 ` [PATCH 25/39] mm: pgrep: documentation Peter Zijlstra
2006-07-12 14:42 ` [PATCH 26/39] sum_cpu_var Peter Zijlstra
2006-07-12 14:42 ` [PATCH 27/39] mm: clockpro: nonresident page tracking for CLOCK-Pro Peter Zijlstra
2006-07-12 14:42 ` [PATCH 28/39] mm: clockpro: re-introduce page_referenced() ignore_token Peter Zijlstra
2006-07-12 14:42 ` [PATCH 29/39] mm: clockpro: second per policy PG_flag Peter Zijlstra
2006-07-12 14:42 ` [PATCH 30/39] mm: clockpro: CLOCK-Pro policy implementation Peter Zijlstra
2006-07-12 14:43 ` [PATCH 31/39] mm: cart: nonresident page tracking for CART Peter Zijlstra
2006-07-12 14:43 ` [PATCH 32/39] mm: cart: third per policy PG_flag Peter Zijlstra
2006-07-12 14:43 ` [PATCH 33/39] mm: cart: CART policy implementation Peter Zijlstra
2006-07-12 14:43 ` [PATCH 34/39] mm: cart: CART-r " Peter Zijlstra
2006-07-12 14:43 ` [PATCH 35/39] mm: random: random page replacement policy Peter Zijlstra
2006-07-12 14:44 ` [PATCH 36/39] mm: refault histogram for non-resident policies Peter Zijlstra
2006-07-12 14:44 ` [PATCH 37/39] mm: use-once: cleanup of the use-once logic Peter Zijlstra
2006-07-12 14:44 ` [PATCH 38/39] mm: use-once: use the generic shrinker logic Peter Zijlstra
2006-07-12 14:44 ` [PATCH 39/39] mm: use-once: cleanup of the insertion logic Peter Zijlstra
2006-07-13 15:38 ` [PATCH 0/39] mm: 2.6.17-pr1 - generic page-replacement framework and 4 new policies Christoph Lameter
2006-07-15 17:03 ` Peter Zijlstra
2006-07-16 3:50 ` Christoph Lameter
2006-07-26 10:03 ` Marcelo Tosatti
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