From: Yinghai Lu <yhlu.kernel@gmail.com>
Date: Tue, 18 Mar 2008 19:52:37 +0000 (-0700)
Subject: x86_64: fix setup_node_bootmem to support big mem excluding with memmap
X-Git-Tag: v2.6.26-rc1~1035^2~1
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=1a27fc0a42162964d758e9d36d2d1b49c082a67c;p=pandora-kernel.git

x86_64: fix setup_node_bootmem to support big mem excluding with memmap

typical case: four sockets system, every node has 4g ram, and we are using:

	memmap=10g$4g

to mask out memory on node1 and node2

when numa is enabled, early_node_mem is used to get node_data and node_bootmap.

if it can not get memory from the same node with find_e820_area(), it will
use alloc_bootmem to get buff from previous nodes.

so check it and print out some info about it.

need to move early_res_to_bootmem into every setup_node_bootmem.
and it takes range that node has. otherwise alloc_bootmem could return addr
that reserved early.

depends on "mm: make reserve_bootmem can crossed the nodes".

Signed-off-by: Yinghai Lu <yhlu.kernel@gmail.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
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