From: Fengguang Wu <fengguang.wu@gmail.com>
To: Andrew Morton <akpm@linux-foundation.org>
Cc: linux-kernel@vger.kernel.org
Subject: [PATCH] resolve duplicate flag no for PG_lazyfree
Date: Mon, 14 May 2007 10:37:18 +0800 [thread overview]
Message-ID: <379110250.28666@ustc.edu.cn> (raw)
Message-ID: <20070514023718.GA14944@mail.ustc.edu.cn> (raw)
PG_lazyfree and PG_booked shares the same bit.
Either it is a bug that shall fixed by the following patch, or
the situation should be explicitly documented?
Signed-off-by: Fengguang Wu <wfg@mail.ustc.edu.cn>
---
include/linux/page-flags.h | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
--- linux-2.6.21-mm2.orig/include/linux/page-flags.h
+++ linux-2.6.21-mm2/include/linux/page-flags.h
@@ -91,7 +91,7 @@
#define PG_buddy 19 /* Page is free, on buddy lists */
#define PG_booked 20 /* Has blocks reserved on-disk */
-#define PG_lazyfree 20 /* MADV_FREE potential throwaway */
+#define PG_lazyfree 21 /* MADV_FREE potential throwaway */
/* PG_owner_priv_1 users should have descriptive aliases */
#define PG_checked PG_owner_priv_1 /* Used by some filesystems */
next reply other threads:[~2007-05-14 2:37 UTC|newest]
Thread overview: 11+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-05-14 2:37 Fengguang Wu [this message]
2007-05-14 2:37 ` [PATCH] resolve duplicate flag no for PG_lazyfree Fengguang Wu
2007-05-14 5:46 ` Andrew Morton
2007-05-14 5:46 ` Andrew Morton
2007-05-14 7:55 ` Fengguang Wu
2007-05-14 7:55 ` Fengguang Wu
2007-05-14 7:55 ` Fengguang Wu
2007-05-14 18:06 ` Theodore Tso
2007-05-14 18:06 ` Theodore Tso
2007-05-14 20:46 ` Andrew Morton
2007-05-14 20:46 ` Andrew Morton
2007-05-16 0:28 ` Nick Piggin
2007-05-16 0:28 ` Nick Piggin
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