linux-kernel - [PATCH] NOMMU: Provide page

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Message-ID: <6081.1157470173@warthog.cambridge.redhat.com>
Date:	Tue, 05 Sep 2006 16:29:33 +0100
From:	David Howells <dhowells@...hat.com>
To:	Adrian Bunk <bunk@...sta.de>
Cc:	Andrew Morton <akpm@...l.org>,
	Arjan van de Ven <arjan@...ux.intel.com>,
	linux-kernel@...r.kernel.org, Ingo Molnar <mingo@...e.hu>,
	Jeff Garzik <jeff@...zik.org>, netdev@...r.kernel.org,
	David Howells <dhowells@...hat.com>
Subject: [PATCH] NOMMU: Provide page_mkclean() for NOMMU


Provide a page_mkclean() implementation for NOMMU.  This doesn't do anything
except return successfully as there are no PTEs for it to play with.

This is only relevant to the -mm kernels.

Signed-Off-By: David Howells <dhowells@...hat.com>
---
warthog>diffstat -p1 nommu-page_mkclean-2618rc5mm1.diff 
 include/linux/rmap.h |    6 ++++++
 1 file changed, 6 insertions(+)

diff -urp ../kernels/linux-2.6.18-rc5-mm1/include/linux/rmap.h linux-2.6.18-rc5-mm1-frv/include/linux/rmap.h
--- ../kernels/linux-2.6.18-rc5-mm1/include/linux/rmap.h	2006-09-04 18:03:32.000000000 +0100
+++ linux-2.6.18-rc5-mm1-frv/include/linux/rmap.h	2006-09-05 15:34:35.000000000 +0100
@@ -120,6 +120,12 @@ int page_mkclean(struct page *);
 #define page_referenced(page,l) TestClearPageReferenced(page)
 #define try_to_unmap(page, refs) SWAP_FAIL
 
+static inline int page_mkclean(struct page *page)
+{
+	return 0;
+}
+
+
 #endif	/* CONFIG_MMU */
 
 /*
-
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