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Subject[PATCH 2/4] x86, numa: Do not adjust start/end for early_node_mem()

We have top-down allocation already. So do not bothter to adjust
start/end to make sure get high addr on local hode.

Signed-off-by: Yinghai Lu <yinghai@kernel.org>

---
arch/x86/mm/numa_64.c | 9 ++-------
1 file changed, 2 insertions(+), 7 deletions(-)

Index: linux-2.6/arch/x86/mm/numa_64.c
===================================================================
--- linux-2.6.orig/arch/x86/mm/numa_64.c
+++ linux-2.6/arch/x86/mm/numa_64.c
@@ -164,14 +164,9 @@ static void * __init early_node_mem(int
unsigned long mem;

/*
- * put it on high as possible
- * something will go with NODE_DATA
+ * memblock find will follow top-down, so don't need to adjust
+ * start anymore
*/
- if (start < (MAX_DMA_PFN<<PAGE_SHIFT))
- start = MAX_DMA_PFN<<PAGE_SHIFT;
- if (start < (MAX_DMA32_PFN<<PAGE_SHIFT) &&
- end > (MAX_DMA32_PFN<<PAGE_SHIFT))
- start = MAX_DMA32_PFN<<PAGE_SHIFT;
mem = memblock_x86_find_in_range_node(nodeid, start, end, size, align);
if (mem != MEMBLOCK_ERROR)
return __va(mem);

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