diff options
| -rw-r--r-- | arch/powerpc/platforms/powernv/memtrace.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/arch/powerpc/platforms/powernv/memtrace.c b/arch/powerpc/platforms/powernv/memtrace.c index 773623f6bfb1..fdd48f1a39f7 100644 --- a/arch/powerpc/platforms/powernv/memtrace.c +++ b/arch/powerpc/platforms/powernv/memtrace.c @@ -242,9 +242,11 @@ static int memtrace_online(void) * we need to online the memory ourselves. */ if (!memhp_auto_online) { + lock_device_hotplug(); walk_memory_range(PFN_DOWN(ent->start), PFN_UP(ent->start + ent->size - 1), NULL, online_mem_block); + unlock_device_hotplug(); } /* |