Commit 76bba1423f6313ccf7bd7cd400f1f2049bbc740a
Committed by
Linus Torvalds
1 parent
90b30cdc1d
Exists in
master
and in
20 other branches
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>
Showing 1 changed file with 2 additions and 0 deletions Side-by-side Diff
drivers/acpi/processor_driver.c
... | ... | @@ -45,6 +45,7 @@ |
45 | 45 | #include <linux/cpuidle.h> |
46 | 46 | #include <linux/slab.h> |
47 | 47 | #include <linux/acpi.h> |
48 | +#include <linux/memory_hotplug.h> | |
48 | 49 | |
49 | 50 | #include <asm/io.h> |
50 | 51 | #include <asm/cpu.h> |
... | ... | @@ -641,6 +642,7 @@ |
641 | 642 | |
642 | 643 | per_cpu(processors, pr->id) = NULL; |
643 | 644 | per_cpu(processor_device_array, pr->id) = NULL; |
645 | + try_offline_node(cpu_to_node(pr->id)); | |
644 | 646 | |
645 | 647 | free: |
646 | 648 | free_cpumask_var(pr->throttling.shared_cpu_map); |