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| author | Wen Congyang | 2013-02-23 01:33:29 +0100 |
|---|---|---|
| committer | Linus Torvalds | 2013-02-24 02:50:13 +0100 |
| commit | 76bba1423f6313ccf7bd7cd400f1f2049bbc740a (patch) | |
| tree | 957d8fd523cf0340e2a9c11ac21c4d3f86b7e3b1 /drivers/acpi | |
| parent | memory-hotplug: export the function try_offline_node() (diff) | |
| download | kernel-qcow2-linux-76bba1423f6313ccf7bd7cd400f1f2049bbc740a.tar.gz kernel-qcow2-linux-76bba1423f6313ccf7bd7cd400f1f2049bbc740a.tar.xz kernel-qcow2-linux-76bba1423f6313ccf7bd7cd400f1f2049bbc740a.zip | |
cpu-hotplug, memory-hotplug: try offlining the node when hotremoving a cpu
The node will be offlined when all memory/cpu on the node is hotremoved.
So we should try offline the node when hotremoving a cpu on the node.
Signed-off-by: Wen Congyang <wency@cn.fujitsu.com>
Signed-off-by: Tang Chen <tangchen@cn.fujitsu.com>
Cc: Yasuaki Ishimatsu <isimatu.yasuaki@jp.fujitsu.com>
Cc: David Rientjes <rientjes@google.com>
Cc: Jiang Liu <liuj97@gmail.com>
Cc: Minchan Kim <minchan.kim@gmail.com>
Cc: KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com>
Cc: Mel Gorman <mel@csn.ul.ie>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: Ingo Molnar <mingo@redhat.com>
Cc: "H. Peter Anvin" <hpa@zytor.com>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Len Brown <lenb@kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'drivers/acpi')
| -rw-r--r-- | drivers/acpi/processor_driver.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/drivers/acpi/processor_driver.c b/drivers/acpi/processor_driver.c index cbf1f122666b..df34bd04ae62 100644 --- a/drivers/acpi/processor_driver.c +++ b/drivers/acpi/processor_driver.c @@ -45,6 +45,7 @@ #include <linux/cpuidle.h> #include <linux/slab.h> #include <linux/acpi.h> +#include <linux/memory_hotplug.h> #include <asm/io.h> #include <asm/cpu.h> @@ -641,6 +642,7 @@ static int acpi_processor_remove(struct acpi_device *device) per_cpu(processors, pr->id) = NULL; per_cpu(processor_device_array, pr->id) = NULL; + try_offline_node(cpu_to_node(pr->id)); free: free_cpumask_var(pr->throttling.shared_cpu_map); |