diff options
| author | Tang Chen <tangchen@cn.fujitsu.com> | 2014-01-10 12:41:06 +1100 |
|---|---|---|
| committer | Stephen Rothwell <sfr@canb.auug.org.au> | 2014-01-10 12:41:06 +1100 |
| commit | b1a931e0e9bbba406e7c658dacce926a66de0bd3 (patch) | |
| tree | a56af07b8a089e974095174d6a90a43a5559dfbe /arch/x86/mm | |
| parent | 52cad515fa5db77c10ab9858c024f781026f95ff (diff) | |
acpi, numa, mem_hotplug: mark hotpluggable memory in memblock
When parsing SRAT, we know that which memory area is hotpluggable. So we
invoke function memblock_mark_hotplug() introduced by previous patch to
mark hotpluggable memory in memblock.
Signed-off-by: Tang Chen <tangchen@cn.fujitsu.com>
Reviewed-by: Zhang Yanfei <zhangyanfei@cn.fujitsu.com>
Cc: "H. Peter Anvin" <hpa@zytor.com>
Cc: "Rafael J . Wysocki" <rjw@sisk.pl>
Cc: Chen Tang <imtangchen@gmail.com>
Cc: Gong Chen <gong.chen@linux.intel.com>
Cc: Ingo Molnar <mingo@elte.hu>
Cc: Jiang Liu <jiang.liu@huawei.com>
Cc: Johannes Weiner <hannes@cmpxchg.org>
Cc: Lai Jiangshan <laijs@cn.fujitsu.com>
Cc: Larry Woodman <lwoodman@redhat.com>
Cc: Len Brown <lenb@kernel.org>
Cc: Liu Jiang <jiang.liu@huawei.com>
Cc: Mel Gorman <mgorman@suse.de>
Cc: Michal Nazarewicz <mina86@mina86.com>
Cc: Minchan Kim <minchan@kernel.org>
Cc: Prarit Bhargava <prarit@redhat.com>
Cc: Rik van Riel <riel@redhat.com>
Cc: Taku Izumi <izumi.taku@jp.fujitsu.com>
Cc: Tejun Heo <tj@kernel.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: Thomas Renninger <trenn@suse.de>
Cc: Toshi Kani <toshi.kani@hp.com>
Cc: Vasilis Liaskovitis <vasilis.liaskovitis@profitbricks.com>
Cc: Wanpeng Li <liwanp@linux.vnet.ibm.com>
Cc: Wen Congyang <wency@cn.fujitsu.com>
Cc: Yasuaki Ishimatsu <isimatu.yasuaki@jp.fujitsu.com>
Cc: Yinghai Lu <yinghai@kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Diffstat (limited to 'arch/x86/mm')
| -rw-r--r-- | arch/x86/mm/numa.c | 2 | ||||
| -rw-r--r-- | arch/x86/mm/srat.c | 5 |
2 files changed, 7 insertions, 0 deletions
diff --git a/arch/x86/mm/numa.c b/arch/x86/mm/numa.c index f06a466aa0a4..028d29fb0adc 100644 --- a/arch/x86/mm/numa.c +++ b/arch/x86/mm/numa.c @@ -564,6 +564,8 @@ static int __init numa_init(int (*init_func)(void)) memset(&numa_meminfo, 0, sizeof(numa_meminfo)); WARN_ON(memblock_set_node(0, ULLONG_MAX, &memblock.memory, MAX_NUMNODES)); + /* In case that parsing SRAT failed. */ + WARN_ON(memblock_clear_hotplug(0, ULLONG_MAX)); numa_reset_distance(); ret = init_func(); diff --git a/arch/x86/mm/srat.c b/arch/x86/mm/srat.c index 6194a8d1def4..3441a84f43c8 100644 --- a/arch/x86/mm/srat.c +++ b/arch/x86/mm/srat.c @@ -191,6 +191,11 @@ acpi_numa_memory_affinity_init(struct acpi_srat_mem_affinity *ma) (unsigned long long) start, (unsigned long long) end - 1, hotpluggable ? " hotplug" : ""); + /* Mark hotplug range in memblock. */ + if (hotpluggable && memblock_mark_hotplug(start, ma->length)) + pr_warn("SRAT: Failed to mark hotplug range [mem %#010Lx-%#010Lx] in memblock\n", + (unsigned long long) start, (unsigned long long) end - 1); + return 0; out_err_bad_srat: bad_srat(); |