diff options
Diffstat (limited to 'include/linux/mmzone.h')
| -rw-r--r-- | include/linux/mmzone.h | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/include/linux/mmzone.h b/include/linux/mmzone.h index a2db4576e499..5d935411d3c4 100644 --- a/include/linux/mmzone.h +++ b/include/linux/mmzone.h @@ -633,14 +633,15 @@ typedef struct pglist_data { #ifndef CONFIG_NO_BOOTMEM struct bootmem_data *bdata; #endif -#ifdef CONFIG_MEMORY_HOTPLUG +#if defined(CONFIG_MEMORY_HOTPLUG) || defined(CONFIG_DEFERRED_STRUCT_PAGE_INIT) /* * Must be held any time you expect node_start_pfn, node_present_pages * 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. + * manipulate node_size_lock without checking for CONFIG_MEMORY_HOTPLUG + * or CONFIG_DEFERRED_STRUCT_PAGE_INIT. * * Nests above zone->lock and zone->span_seqlock */ |