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Message-Id: <4.290135367@selenic.com>
Date: Mon, 15 Oct 2007 17:26:00 -0500
From: Matt Mackall <mpm@...enic.com>
To: Andrew Morton <akpm@...ux-foundation.org>,
linux-kernel@...r.kernel.org
Cc: Dave Hansen <haveblue@...ibm.com>,
Rusty Russell <rusty@...tcorp.com.au>,
Jeremy Fitzhardinge <jeremy@...p.org>,
David Rientjes <rientjes@...gle.com>,
Fengguang Wu <wfg@...l.ustc.edu.cn>
Subject: [PATCH 3/11] maps3: move is_swap_pte
Move is_swap_pte helper function to swapops.h for use by pagemap code
Signed-off-by: Matt Mackall <mpm@...enic.com>
Index: l/include/linux/swapops.h
===================================================================
--- l.orig/include/linux/swapops.h 2007-10-09 17:36:25.000000000 -0500
+++ l/include/linux/swapops.h 2007-10-10 11:46:34.000000000 -0500
@@ -42,6 +42,12 @@ static inline pgoff_t swp_offset(swp_ent
return entry.val & SWP_OFFSET_MASK(entry);
}
+/* check whether a pte points to a swap entry */
+static inline int is_swap_pte(pte_t pte)
+{
+ return !pte_none(pte) && !pte_present(pte) && !pte_file(pte);
+}
+
/*
* Convert the arch-dependent pte representation of a swp_entry_t into an
* arch-independent swp_entry_t.
Index: l/mm/migrate.c
===================================================================
--- l.orig/mm/migrate.c 2007-10-09 17:37:59.000000000 -0500
+++ l/mm/migrate.c 2007-10-10 11:46:34.000000000 -0500
@@ -114,11 +114,6 @@ int putback_lru_pages(struct list_head *
return count;
}
-static inline int is_swap_pte(pte_t pte)
-{
- return !pte_none(pte) && !pte_present(pte) && !pte_file(pte);
-}
-
/*
* Restore a potential migration pte to a working pte entry
*/
-
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