linux-kernel - [tip:x86/mm] x86, mm: Prepare zone_sizes

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Message-ID: <tip-248b52b97da7a712d2263a51d8d84c959f38ef75@git.kernel.org>
Date:	Fri, 18 Nov 2011 15:26:39 -0800
From:	tip-bot for Pekka Enberg <penberg@...nel.org>
To:	linux-tip-commits@...r.kernel.org
Cc:	linux-kernel@...r.kernel.org, hpa@...or.com, mingo@...hat.com,
	yinghai@...nel.org, penberg@...nel.org, tj@...nel.org,
	tglx@...utronix.de, mingo@...e.hu
Subject: [tip:x86/mm] x86, mm: Prepare zone_sizes_init() for unification

Commit-ID:  248b52b97da7a712d2263a51d8d84c959f38ef75
Gitweb:     http://git.kernel.org/tip/248b52b97da7a712d2263a51d8d84c959f38ef75
Author:     Pekka Enberg <penberg@...nel.org>
AuthorDate: Tue, 1 Nov 2011 15:58:21 +0200
Committer:  Ingo Molnar <mingo@...e.hu>
CommitDate: Fri, 11 Nov 2011 10:22:53 +0100

x86, mm: Prepare zone_sizes_init() for unification

Make 32-bit and 64-bit zone_sizes_init() identical in
preparation for unification.

Acked-by: Tejun Heo <tj@...nel.org>
Acked-by: Yinghai Lu <yinghai@...nel.org>
Signed-off-by: Pekka Enberg <penberg@...nel.org>
Link: http://lkml.kernel.org/r/1320155902-10424-6-git-send-email-penberg@kernel.org
Signed-off-by: Ingo Molnar <mingo@...e.hu>
---
 arch/x86/mm/init_32.c |    4 ++++
 arch/x86/mm/init_64.c |    3 +++
 2 files changed, 7 insertions(+), 0 deletions(-)

diff --git a/arch/x86/mm/init_32.c b/arch/x86/mm/init_32.c
index 5ac0118..27455b9 100644
--- a/arch/x86/mm/init_32.c
+++ b/arch/x86/mm/init_32.c
@@ -677,10 +677,14 @@ void __init initmem_init(void)
 static void __init zone_sizes_init(void)
 {
 	unsigned long max_zone_pfns[MAX_NR_ZONES];
+
 	memset(max_zone_pfns, 0, sizeof(max_zone_pfns));
 #ifdef CONFIG_ZONE_DMA
 	max_zone_pfns[ZONE_DMA] = MAX_DMA_PFN;
 #endif
+#ifdef CONFIG_ZONE_DMA32
+        max_zone_pfns[ZONE_DMA32] = MAX_DMA32_PFN;
+#endif
 	max_zone_pfns[ZONE_NORMAL] = max_low_pfn;
 #ifdef CONFIG_HIGHMEM
 	max_zone_pfns[ZONE_HIGHMEM] = max_pfn;
diff --git a/arch/x86/mm/init_64.c b/arch/x86/mm/init_64.c
index f6b1f08..06c4360 100644
--- a/arch/x86/mm/init_64.c
+++ b/arch/x86/mm/init_64.c
@@ -624,6 +624,9 @@ static void __init zone_sizes_init(void)
 	max_zone_pfns[ZONE_DMA32] = MAX_DMA32_PFN;
 #endif
 	max_zone_pfns[ZONE_NORMAL] = max_low_pfn;
+#ifdef CONFIG_HIGHMEM
+	max_zone_pfns[ZONE_HIGHMEM] = max_pfn;
+#endif
 
 	free_area_init_nodes(max_zone_pfns);
 }
--
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