diff options
| -rw-r--r-- | include/linux/mmzone.h | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/include/linux/mmzone.h b/include/linux/mmzone.h index 9ec7cffcae21..e511f9429f1e 100644 --- a/include/linux/mmzone.h +++ b/include/linux/mmzone.h @@ -733,6 +733,9 @@ typedef struct pglist_data { * or node_spanned_pages stay constant. Holding this will also * guarantee that any pfn_valid() stays that way. * + * pgdat_resize_lock() and pgdat_resize_unlock() are provided to + * manipulate node_size_lock without checking for CONFIG_MEMORY_HOTPLUG. + * * Nests above zone->lock and zone->span_seqlock */ spinlock_t node_size_lock; |