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Subject[PATCH 2/2] x86: use sparse_memory_present_with_active_regions() on UMA
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From: Pekka Enberg <penberg@cs.helsinki.fi>

There's no need to use call memory_present() manually on UMA because
initmem_init() sets up early_node_map by calling
e820_register_active_regions().

[ Impact: cleanup ]

Signed-off-by: Pekka Enberg <penberg@cs.helsinki.fi>
---
arch/x86/mm/init_64.c | 4 ----
1 files changed, 0 insertions(+), 4 deletions(-)

diff --git a/arch/x86/mm/init_64.c b/arch/x86/mm/init_64.c
index ccc0e6e..5ded102 100644
--- a/arch/x86/mm/init_64.c
+++ b/arch/x86/mm/init_64.c
@@ -639,11 +639,7 @@ 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);
}
--
1.5.6.3




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