memory-hotplug: fix comments in zone_spanned_pages_in_node() and zone_spanned_pages_i...

[karo-tx-linux.git] / mm / page_alloc.c

diff --git a/mm/page_alloc.c b/mm/page_alloc.c
index 5e8e99dd595a57b2b0cf5f49a051cf1de8f5f39f..b0fda2b9ca76bcf9ad06924f55da09e2fc849922 100644 (file)
--- a/mm/page_alloc.c
+++ b/mm/page_alloc.c
@@ -5085,7 +5085,7 @@ static unsigned long __meminit zone_spanned_pages_in_node(int nid,
 {
        unsigned long zone_start_pfn, zone_end_pfn;
 
-       /* When hotadd a new node, the node should be empty */
+       /* When hotadd a new node from cpu_up(), the node should be empty */
        if (!node_start_pfn && !node_end_pfn)
                return 0;
 
@@ -5152,7 +5152,7 @@ static unsigned long __meminit zone_absent_pages_in_node(int nid,
        unsigned long zone_high = arch_zone_highest_possible_pfn[zone_type];
        unsigned long zone_start_pfn, zone_end_pfn;
 
-       /* When hotadd a new node, the node should be empty */
+       /* When hotadd a new node from cpu_up(), the node should be empty */
        if (!node_start_pfn && !node_end_pfn)
                return 0;