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| author | Tang Chen <tangchen@cn.fujitsu.com> | 2014-01-21 15:49:29 -0800 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2014-01-21 16:19:45 -0800 |
| commit | 05d1d8cb1c7c25b7c7197817b3418524ace61372 (patch) | |
| tree | 7f4a5dfc6e4b72fe8b04c1fd8994834def43a045 | |
| parent | e7e8de5918dd6a07cbddae559600d7765ad6a56e (diff) | |
| download | linux-05d1d8cb1c7c25b7c7197817b3418524ace61372.tar.gz linux-05d1d8cb1c7c25b7c7197817b3418524ace61372.tar.bz2 linux-05d1d8cb1c7c25b7c7197817b3418524ace61372.zip | |
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.
[akpm@linux-foundation.org: coding-style fixes]
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>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
| -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 82e079a0d363..78d6a9e5830e 100644 --- a/arch/x86/mm/numa.c +++ b/arch/x86/mm/numa.c @@ -568,6 +568,8 @@ 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 266ca912f62e..1a25187e151e 100644 --- a/arch/x86/mm/srat.c +++ b/arch/x86/mm/srat.c @@ -181,6 +181,11 @@ 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(); |