Thread (177 messages) 177 messages, 16 authors, 2012-07-14

Re: [PATCH 16/40] autonuma: init knuma_migrated queues

From: Rik van Riel <hidden>
Date: 2012-06-29 18:36:07
Also in: lkml

On 06/28/2012 08:55 AM, Andrea Arcangeli wrote:
quoted hunk ↗ jump to hunk
Initialize the knuma_migrated queues at boot time.

Signed-off-by: Andrea Arcangeli<redacted>
---
  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
Should this be a __paginginit function inside one of the
autonuma files, so we can avoid the ifdefs here?

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