linux-kernel - [PATCH 16/40] autonuma: init knuma

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Message-Id: <1340888180-15355-17-git-send-email-aarcange@redhat.com>
Date:	Thu, 28 Jun 2012 14:55:56 +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 16/40] autonuma: init knuma_migrated queues

Initialize the knuma_migrated queues at boot time.

Signed-off-by: Andrea Arcangeli <aarcange@...hat.com>
---
 mm/page_alloc.c |   11 +++++++++++
 1 files changed, 11 insertions(+), 0 deletions(-)

diff --git a/mm/page_alloc.c b/mm/page_alloc.c
index a9710a4..48eabe9 100644
--- a/mm/page_alloc.c
+++ b/mm/page_alloc.c
@@ -59,6 +59,7 @@
 #include <linux/prefetch.h>
 #include <linux/migrate.h>
 #include <linux/page-debug-flags.h>
+#include <linux/autonuma.h>
 
 #include <asm/tlbflush.h>
 #include <asm/div64.h>
@@ -4348,8 +4349,18 @@ static void __paginginit free_area_init_core(struct pglist_data *pgdat,
 	int nid = pgdat->node_id;
 	unsigned long zone_start_pfn = pgdat->node_start_pfn;
 	int ret;
+#ifdef CONFIG_AUTONUMA
+	int node_iter;
+#endif
 
 	pgdat_resize_init(pgdat);
+#ifdef CONFIG_AUTONUMA
+	spin_lock_init(&pgdat->autonuma_lock);
+	init_waitqueue_head(&pgdat->autonuma_knuma_migrated_wait);
+	pgdat->autonuma_nr_migrate_pages = 0;
+	for_each_node(node_iter)
+		INIT_LIST_HEAD(&pgdat->autonuma_migrate_head[node_iter]);
+#endif
 	pgdat->nr_zones = 0;
 	init_waitqueue_head(&pgdat->kswapd_wait);
 	pgdat->kswapd_max_order = 0;
--
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