linux-kernel - [PATCH 30/39] autonuma: call autonuma_split_huge

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Message-Id: <1332783986-24195-31-git-send-email-aarcange@redhat.com>
Date:	Mon, 26 Mar 2012 19:46:17 +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>
Subject: [PATCH 30/39] autonuma: call autonuma_split_huge_page()

This is needed to make sure the tail pages are also queued into the
migration queues of knuma_migrated across a transparent hugepage
split.

Signed-off-by: Andrea Arcangeli <aarcange@...hat.com>
---
 mm/huge_memory.c |    2 ++
 1 files changed, 2 insertions(+), 0 deletions(-)

diff --git a/mm/huge_memory.c b/mm/huge_memory.c
index 383ae4d..b1c047b 100644
--- a/mm/huge_memory.c
+++ b/mm/huge_memory.c
@@ -17,6 +17,7 @@
 #include <linux/khugepaged.h>
 #include <linux/freezer.h>
 #include <linux/mman.h>
+#include <linux/autonuma.h>
 #include <asm/tlb.h>
 #include <asm/pgalloc.h>
 #include "internal.h"
@@ -1307,6 +1308,7 @@ static void __split_huge_page_refcount(struct page *page)
 
 
 		lru_add_page_tail(zone, page, page_tail);
+		autonuma_migrate_split_huge_page(page, page_tail);
 	}
 	atomic_sub(tail_count, &page->_count);
 	BUG_ON(__page_count(page) <= 0);
--
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