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s390/numa: add core infrastructure

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Enable core NUMA support for s390 and add one simple default mode "plain"
that creates one single NUMA node.

This patch contains several changes from Michael Holzheu.

Signed-off-by: Philipp Hachtmann <phacht@linux.vnet.ibm.com>
Signed-off-by: Michael Holzheu <holzheu@linux.vnet.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
This commit is contained in:
Philipp Hachtmann
2014-03-06 18:25:13 +01:00
committed by Martin Schwidefsky
parent 199071f108
commit 3a368f742d
15 changed files with 375 additions and 26 deletions
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2
arch/s390/mm/init.c
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@@ -139,7 +139,7 @@ void __init mem_init(void)
cpumask_set_cpu(0, mm_cpumask(&init_mm));
atomic_set(&init_mm.context.attach_count, 1);
max_mapnr = max_low_pfn;
set_max_mapnr(max_low_pfn);
high_memory = (void *) __va(max_low_pfn * PAGE_SIZE);
/* Setup guest page hinting */