Commit-ID: 3551f88f6439cf4da3f5a3747b320280e30500de
Gitweb: http://git.kernel.org/tip/3551f88f6439cf4da3f5a3747b320280e30500de
Author: Pekka Enberg <penberg@xxxxxxxxxxxxxx>
AuthorDate: Thu, 7 May 2009 15:35:41 +0300
Committer: Ingo Molnar <mingo@xxxxxxx>
CommitDate: Mon, 11 May 2009 11:52:06 +0200
x86: unify 64-bit UMA and NUMA paging_init()
64-bit UMA and NUMA versions of paging_init() are almost identical.
Therefore, merge the copy in mm/numa_64.c to mm/init_64.c to remove
duplicate code.
[ Impact: cleanup ]
Signed-off-by: Pekka Enberg <penberg@xxxxxxxxxxxxxx>
LKML-Reference: <1241699741.17846.30.camel@penberg-laptop>
Signed-off-by: Ingo Molnar <mingo@xxxxxxx>
---
arch/x86/mm/init_64.c | 6 +++++-
arch/x86/mm/numa_64.c | 15 ---------------
2 files changed, 5 insertions(+), 16 deletions(-)
diff --git a/arch/x86/mm/init_64.c b/arch/x86/mm/init_64.c
index 6a1a573..be7e127 100644
--- a/arch/x86/mm/init_64.c
+++ b/arch/x86/mm/init_64.c
@@ -585,6 +585,7 @@ void __init initmem_init(unsigned long start_pfn, unsigned long end_pfn)
early_res_to_bootmem(0, end_pfn<<PAGE_SHIFT);
reserve_bootmem(bootmap, bootmap_size, BOOTMEM_DEFAULT);
}
+#endif
void __init paging_init(void)
{
@@ -595,11 +596,14 @@ void __init paging_init(void)
max_zone_pfns[ZONE_DMA32] = MAX_DMA32_PFN;
max_zone_pfns[ZONE_NORMAL] = max_pfn;
+#ifdef CONFIG_NUMA
+ sparse_memory_present_with_active_regions(MAX_NUMNODES);
+#else
memory_present(0, 0, max_pfn);
+#endif
sparse_init();
free_area_init_nodes(max_zone_pfns);
}
-#endif
/*
* Memory hotplug specific functions
diff --git a/arch/x86/mm/numa_64.c b/arch/x86/mm/numa_64.c
index 2d05a12..fb61d81 100644
--- a/arch/x86/mm/numa_64.c
+++ b/arch/x86/mm/numa_64.c
@@ -578,21 +578,6 @@ unsigned long __init numa_free_all_bootmem(void)
return pages;
}
-void __init paging_init(void)
-{
- unsigned long max_zone_pfns[MAX_NR_ZONES];
-
- memset(max_zone_pfns, 0, sizeof(max_zone_pfns));
- max_zone_pfns[ZONE_DMA] = MAX_DMA_PFN;
- max_zone_pfns[ZONE_DMA32] = MAX_DMA32_PFN;
- max_zone_pfns[ZONE_NORMAL] = max_pfn;
-
- sparse_memory_present_with_active_regions(MAX_NUMNODES);
- sparse_init();
-
- free_area_init_nodes(max_zone_pfns);
-}
-
static __init int numa_setup(char *opt)
{
if (!opt)
--
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