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Diffstat (limited to 'mm')
-rw-r--r--mm/page_alloc.c13
1 files changed, 7 insertions, 6 deletions
diff --git a/mm/page_alloc.c b/mm/page_alloc.c
index 5d714f8fb30..e0f2cdf9d8b 100644
--- a/mm/page_alloc.c
+++ b/mm/page_alloc.c
@@ -4032,6 +4032,8 @@ static void __init find_zone_movable_pfns_for_nodes(unsigned long *movable_pfn)
int i, nid;
unsigned long usable_startpfn;
unsigned long kernelcore_node, kernelcore_remaining;
+ /* save the state before borrow the nodemask */
+ nodemask_t saved_node_state = node_states[N_HIGH_MEMORY];
unsigned long totalpages = early_calculate_totalpages();
int usable_nodes = nodes_weight(node_states[N_HIGH_MEMORY]);
@@ -4059,7 +4061,7 @@ static void __init find_zone_movable_pfns_for_nodes(unsigned long *movable_pfn)
/* If kernelcore was not specified, there is no ZONE_MOVABLE */
if (!required_kernelcore)
- return;
+ goto out;
/* usable_startpfn is the lowest possible pfn ZONE_MOVABLE can be at */
find_usable_zone_for_movable();
@@ -4158,6 +4160,10 @@ restart:
for (nid = 0; nid < MAX_NUMNODES; nid++)
zone_movable_pfn[nid] =
roundup(zone_movable_pfn[nid], MAX_ORDER_NR_PAGES);
+
+out:
+ /* restore the node_state */
+ node_states[N_HIGH_MEMORY] = saved_node_state;
}
/* Any regular memory on that node ? */
@@ -4242,11 +4248,6 @@ void __init free_area_init_nodes(unsigned long *max_zone_pfn)
early_node_map[i].start_pfn,
early_node_map[i].end_pfn);
- /*
- * find_zone_movable_pfns_for_nodes/early_calculate_totalpages init
- * that node_mask, clear it at first
- */
- nodes_clear(node_states[N_HIGH_MEMORY]);
/* Initialise every node */
mminit_verify_pageflags_layout();
setup_nr_node_ids();