From: Peter Zijlstra <a.p.zijlstra@chello.nl>
To: linux-mm@kvack.org, linux-kernel@vger.kernel.org
Cc: Andrew Morton <akpm@osdl.org>,
Peter Zijlstra <a.p.zijlstra@chello.nl>,
Christoph Lameter <christoph@lameter.com>,
Wu Fengguang <wfg@mail.ustc.edu.cn>,
Nick Piggin <npiggin@suse.de>, Marijn Meijles <marijn@bitpit.net>,
Rik van Riel <riel@redhat.com>,
Marcelo Tosatti <marcelo.tosatti@cyclades.com>
Subject: [PATCH 3/9] clockpro-PG_test.patch
Date: Fri, 30 Dec 2005 23:43:04 +0100 [thread overview]
Message-ID: <20051230224242.765.58222.sendpatchset@twins.localnet> (raw)
In-Reply-To: <20051230223952.765.21096.sendpatchset@twins.localnet>
From: Peter Zijlstra <a.p.zijlstra@chello.nl>
Introduce a new PG_flag, needed for the clockpro work.
Signed-off-by: Peter Zijlstra <a.p.zijlstra@chello.nl>
include/linux/page-flags.h | 8 ++++++++
mm/page_alloc.c | 3 ++-
2 files changed, 10 insertions(+), 1 deletion(-)
Index: linux-2.6-git/include/linux/page-flags.h
===================================================================
--- linux-2.6-git.orig/include/linux/page-flags.h
+++ linux-2.6-git/include/linux/page-flags.h
@@ -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_test 20 /* Page is in its test period */
+
/*
* Global page accounting. One instance per CPU. Only unsigned longs are
* allowed.
@@ -303,6 +305,12 @@ extern void __mod_page_state(unsigned lo
#define SetPageUncached(page) set_bit(PG_uncached, &(page)->flags)
#define ClearPageUncached(page) clear_bit(PG_uncached, &(page)->flags)
+#define PageTest(page) test_bit(PG_test, &(page)->flags)
+#define SetPageTest(page) set_bit(PG_test, &(page)->flags)
+#define TestSetPageTest(page) test_and_set_bit(PG_test, &(page)->flags)
+#define ClearPageTest(page) clear_bit(PG_test, &(page)->flags)
+#define TestClearPageTest(page) test_and_clear_bit(PG_test, &(page)->flags)
+
struct page; /* forward declaration */
int test_clear_page_dirty(struct page *page);
Index: linux-2.6-git/mm/page_alloc.c
===================================================================
--- linux-2.6-git.orig/mm/page_alloc.c
+++ linux-2.6-git/mm/page_alloc.c
@@ -499,7 +499,8 @@ static int prep_new_page(struct page *pa
page->flags &= ~(1 << PG_uptodate | 1 << PG_error |
1 << PG_referenced | 1 << PG_arch_1 |
- 1 << PG_checked | 1 << PG_mappedtodisk);
+ 1 << PG_checked | 1 << PG_mappedtodisk |
+ 1 << PG_test);
set_page_private(page, 0);
set_page_refs(page, order);
kernel_map_pages(page, 1 << order, 1);
--
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next prev parent reply other threads:[~2005-12-30 22:43 UTC|newest]
Thread overview: 66+ messages / expand[flat|nested] mbox.gz Atom feed top
2005-12-30 22:40 [PATCH] vm: page-replace and clockpro Peter Zijlstra
2005-12-30 22:40 ` [PATCH 01/14] page-replace-single-batch-insert.patch Peter Zijlstra
2005-12-31 7:03 ` Marcelo Tosatti
2005-12-31 9:43 ` Peter Zijlstra
2005-12-31 14:44 ` Rik van Riel
2005-12-31 22:19 ` Marcelo Tosatti
2005-12-30 22:40 ` [PATCH 02/14] page-replace-try_pageout.patch Peter Zijlstra
2005-12-30 22:40 ` [PATCH 03/14] page-replace-remove-sc-from-refill.patch Peter Zijlstra
2005-12-30 22:40 ` [PATCH 04/14] page-replace-activate_page.patch Peter Zijlstra
2005-12-30 22:41 ` [PATCH 05/14] page-replace-remove-loop.patch Peter Zijlstra
2005-12-30 22:41 ` [PATCH 06/14] page-replace-move-macros.patch Peter Zijlstra
2005-12-30 22:41 ` [PATCH 07/14] page-replace-move-isolate_lru_pages.patch Peter Zijlstra
2005-12-30 22:41 ` [PATCH 08/14] page-replace-candidates.patch Peter Zijlstra
2005-12-30 22:41 ` [PATCH 09/14] page-replace-reinsert.patch Peter Zijlstra
2005-12-30 22:41 ` [PATCH 10/14] page-replace-remove-mm_inline.patch Peter Zijlstra
2005-12-30 22:42 ` [PATCH 11/14] page-replace-move-refill.patch Peter Zijlstra
2005-12-30 22:42 ` [PATCH 12/14] page-replace-rotate.patch Peter Zijlstra
2005-12-30 22:42 ` [PATCH 13/14] page-replace-init.patch Peter Zijlstra
2005-12-30 22:42 ` [PATCH 14/14] page-replace-kswapd-incmin.patch Peter Zijlstra
2005-12-31 1:15 ` Marcelo Tosatti
2005-12-31 9:40 ` Peter Zijlstra
2005-12-30 22:42 ` [PATCH 1/9] clockpro-nonresident.patch Peter Zijlstra
2005-12-31 1:13 ` Marcelo Tosatti
2005-12-31 9:54 ` Peter Zijlstra
2005-12-31 14:53 ` Rik van Riel
2005-12-31 22:20 ` Marcelo Tosatti
2005-12-30 22:42 ` [PATCH 2/9] clockpro-nonresident-del.patch Peter Zijlstra
2005-12-30 22:43 ` Peter Zijlstra [this message]
2005-12-30 22:43 ` [PATCH 4/9] clockpro-use-once.patch Peter Zijlstra
2005-12-30 22:43 ` [PATCH 5/9] clockpro-ignore_token.patch Peter Zijlstra
2005-12-30 22:43 ` [PATCH 6/9] clockpro-clockpro.patch Peter Zijlstra
2005-12-31 0:24 ` Marcelo Tosatti
2005-12-31 1:22 ` Rik van Riel
2005-12-31 3:27 ` Marcelo Tosatti
2005-12-31 5:24 ` Rik van Riel
2005-12-31 10:57 ` Peter Zijlstra
2005-12-31 10:48 ` Peter Zijlstra
2005-12-31 22:12 ` Marcelo Tosatti
2006-01-03 19:30 ` Christoph Lameter
2005-12-31 11:29 ` Peter Zijlstra
2006-01-05 9:47 ` IWAMOTO Toshihiro
2006-01-05 13:32 ` Rik van Riel
2006-01-06 9:01 ` IWAMOTO Toshihiro
2006-01-24 6:30 ` IWAMOTO Toshihiro
2006-01-24 7:25 ` IWAMOTO Toshihiro
2006-01-25 8:00 ` Peter Zijlstra
2006-02-03 9:25 ` Peter Zijlstra
2006-02-06 9:30 ` IWAMOTO Toshihiro
2006-02-06 10:07 ` Peter Zijlstra
2006-02-08 10:05 ` IWAMOTO Toshihiro
2006-02-08 20:00 ` Peter Zijlstra
2006-02-09 6:57 ` Peter Zijlstra
2006-02-09 7:22 ` IWAMOTO Toshihiro
2006-02-09 10:07 ` IWAMOTO Toshihiro
2006-02-09 15:23 ` Rik van Riel
2006-02-08 9:53 ` IWAMOTO Toshihiro
2005-12-31 22:40 ` Marcelo Tosatti
2006-01-01 10:37 ` Peter Zijlstra
2006-01-03 12:21 ` Marcelo Tosatti
2006-02-14 7:29 ` IWAMOTO Toshihiro
2006-02-15 6:35 ` Peter Zijlstra
2006-02-16 6:25 ` IWAMOTO Toshihiro
2005-12-30 22:43 ` [PATCH 7/9] clockpro-remove-old.patch Peter Zijlstra
2005-12-30 22:43 ` [PATCH 8/9] clockpro-rename_PG_active.patch Peter Zijlstra
2005-12-30 22:44 ` [PATCH 9/9] clockpro-clockpro-stats.patch Peter Zijlstra
2005-12-31 18:59 ` [PATCH 10/9] clockpro-document.patch Peter Zijlstra
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