Commit-ID: 248b52b97da7a712d2263a51d8d84c959f38ef75
Gitweb: http://git.kernel.org/tip/248b52b97da7a712d2263a51d8d84c959f38ef75
Author: Pekka Enberg <penberg@xxxxxxxxxx>
AuthorDate: Tue, 1 Nov 2011 15:58:21 +0200
Committer: Ingo Molnar <mingo@xxxxxxx>
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@xxxxxxxxxx>
Acked-by: Yinghai Lu <yinghai@xxxxxxxxxx>
Signed-off-by: Pekka Enberg <penberg@xxxxxxxxxx>
Link: http://lkml.kernel.org/r/1320155902-10424-6-git-send-email-penberg@xxxxxxxxxx
Signed-off-by: Ingo Molnar <mingo@xxxxxxx>
---
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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