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authorYinghai Lu <yhlu.kernel@gmail.com>2008-03-18 22:52:37 +0300
committerIngo Molnar <mingo@elte.hu>2008-04-27 00:51:08 +0400
commit1a27fc0a42162964d758e9d36d2d1b49c082a67c (patch)
treeb94c4864edd0869d8ab7b25b9c3942a14bb6f9db /mm/sparse.c
parent8b3cd09ed23049fcb02479c6286744b36324ac9d (diff)
downloadlinux-1a27fc0a42162964d758e9d36d2d1b49c082a67c.tar.xz
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>
Diffstat (limited to 'mm/sparse.c')
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