From: Yinghai Lu <yinghai@kernel.org>
To: Thomas Gleixner <tglx@linutronix.de>, Ingo Molnar <mingo@elte.hu>,
"H. Peter Anvin" <hpa@zytor.com>, Tejun Heo <tj@kernel.org>
Cc: "linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
David Rientjes <rientjes@google.com>,
Cyrill Gorcunov <gorcunov@gmail.com>
Subject: [PATCH 2/4] x86, numa: Do not adjust start/end for early_node_mem()
Date: Fri, 18 Feb 2011 10:59:16 -0800 [thread overview]
Message-ID: <4D5EC184.6000505@kernel.org> (raw)
In-Reply-To: <4D5EC05A.60103@kernel.org>
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);
next prev parent reply other threads:[~2011-02-18 19:01 UTC|newest]
Thread overview: 23+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <4D5EC05A.60103@kernel.org>
2011-02-18 18:59 ` [PATCH 1/4] x86, numa: Do not scan two times for setup_node_bootmem() Yinghai Lu
2011-02-20 4:03 ` David Rientjes
2011-02-21 10:20 ` [PATCH] x86-64, NUMA: " Tejun Heo
2011-02-18 18:59 ` Yinghai Lu [this message]
2011-02-20 4:03 ` [PATCH 2/4] x86, numa: Do not adjust start/end for early_node_mem() David Rientjes
2011-02-20 4:17 ` Yinghai Lu
2011-02-21 9:43 ` Tejun Heo
2011-02-21 10:44 ` Tejun Heo
2011-02-21 20:28 ` Yinghai Lu
2011-02-22 10:36 ` Tejun Heo
2011-02-22 10:39 ` Tejun Heo
2011-02-21 17:21 ` Yinghai Lu
2011-02-22 0:27 ` David Rientjes
2011-02-18 18:59 ` [PATCH 3/4] x86, numa: cleanup x86_acpi_numa_init() Yinghai Lu
2011-02-20 4:03 ` David Rientjes
2011-02-21 9:46 ` Tejun Heo
2011-02-18 18:59 ` [PATCH 4/4] x86, numa: seperate alloc_numa_distance from numa_reset_distance Yinghai Lu
2011-02-20 4:03 ` David Rientjes
2011-02-21 10:48 ` Tejun Heo
2011-02-21 17:36 ` Yinghai Lu
2011-02-22 10:23 ` [PATCH] x86-64, NUMA: Seperate out numa_alloc_distance() from numa_set_distance() Tejun Heo
2011-02-22 10:30 ` Ingo Molnar
2011-02-22 10:32 ` Tejun Heo
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