linux-kernel - [PATCH 07/40] autonuma: generic pte_numa() and pmd

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Message-Id: <1340888180-15355-8-git-send-email-aarcange@redhat.com>
Date:	Thu, 28 Jun 2012 14:55:47 +0200
From:	Andrea Arcangeli <aarcange@...hat.com>
To:	linux-kernel@...r.kernel.org, linux-mm@...ck.org
Cc:	Hillf Danton <dhillf@...il.com>, Dan Smith <danms@...ibm.com>,
	Peter Zijlstra <a.p.zijlstra@...llo.nl>,
	Linus Torvalds <torvalds@...ux-foundation.org>,
	Andrew Morton <akpm@...ux-foundation.org>,
	Thomas Gleixner <tglx@...utronix.de>,
	Ingo Molnar <mingo@...e.hu>, Paul Turner <pjt@...gle.com>,
	Suresh Siddha <suresh.b.siddha@...el.com>,
	Mike Galbraith <efault@....de>,
	"Paul E. McKenney" <paulmck@...ux.vnet.ibm.com>,
	Lai Jiangshan <laijs@...fujitsu.com>,
	Bharata B Rao <bharata.rao@...il.com>,
	Lee Schermerhorn <Lee.Schermerhorn@...com>,
	Rik van Riel <riel@...hat.com>,
	Johannes Weiner <hannes@...xchg.org>,
	Srivatsa Vaddagiri <vatsa@...ux.vnet.ibm.com>,
	Christoph Lameter <cl@...ux.com>,
	Alex Shi <alex.shi@...el.com>,
	Mauricio Faria de Oliveira <mauricfo@...ux.vnet.ibm.com>,
	Konrad Rzeszutek Wilk <konrad.wilk@...cle.com>,
	Don Morris <don.morris@...com>,
	Benjamin Herrenschmidt <benh@...nel.crashing.org>
Subject: [PATCH 07/40] autonuma: generic pte_numa() and pmd_numa()

Implement generic version of the methods. They're used when
CONFIG_AUTONUMA=n, and they're a noop.

Signed-off-by: Andrea Arcangeli <aarcange@...hat.com>
---
 include/asm-generic/pgtable.h |   12 ++++++++++++
 1 files changed, 12 insertions(+), 0 deletions(-)

diff --git a/include/asm-generic/pgtable.h b/include/asm-generic/pgtable.h
index ff4947b..0ff87ec 100644
--- a/include/asm-generic/pgtable.h
+++ b/include/asm-generic/pgtable.h
@@ -530,6 +530,18 @@ static inline int pmd_trans_unstable(pmd_t *pmd)
 #endif
 }
 
+#ifndef CONFIG_AUTONUMA
+static inline int pte_numa(pte_t pte)
+{
+	return 0;
+}
+
+static inline int pmd_numa(pmd_t pmd)
+{
+	return 0;
+}
+#endif /* CONFIG_AUTONUMA */
+
 #endif /* CONFIG_MMU */
 
 #endif /* !__ASSEMBLY__ */
--
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