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-rw-r--r--mm/page_alloc.c28
1 files changed, 26 insertions, 2 deletions
diff --git a/mm/page_alloc.c b/mm/page_alloc.c
index ec4417cb458a..4f59d1986018 100644
--- a/mm/page_alloc.c
+++ b/mm/page_alloc.c
@@ -5018,9 +5018,33 @@ static void __init find_zone_movable_pfns_for_nodes(void)
nodemask_t saved_node_state = node_states[N_MEMORY];
unsigned long totalpages = early_calculate_totalpages();
int usable_nodes = nodes_weight(node_states[N_MEMORY]);
+ struct memblock_type *type = &memblock.memory;
+
+ /* Need to find movable_zone earlier when movable_node is specified. */
+ find_usable_zone_for_movable();
+
+ /*
+ * If movable_node is specified, ignore kernelcore and movablecore
+ * options.
+ */
+ if (movable_node_is_enabled()) {
+ for (i = 0; i < type->cnt; i++) {
+ if (!memblock_is_hotpluggable(&type->regions[i]))
+ continue;
+
+ nid = type->regions[i].nid;
+
+ usable_startpfn = PFN_DOWN(type->regions[i].base);
+ zone_movable_pfn[nid] = zone_movable_pfn[nid] ?
+ min(usable_startpfn, zone_movable_pfn[nid]) :
+ usable_startpfn;
+ }
+
+ goto out2;
+ }
/*
- * If movablecore was specified, calculate what size of
+ * If movablecore=nn[KMG] was specified, calculate what size of
* kernelcore that corresponds so that memory usable for
* any allocation type is evenly spread. If both kernelcore
* and movablecore are specified, then the value of kernelcore
@@ -5046,7 +5070,6 @@ static void __init find_zone_movable_pfns_for_nodes(void)
goto out;
/* usable_startpfn is the lowest possible pfn ZONE_MOVABLE can be at */
- find_usable_zone_for_movable();
usable_startpfn = arch_zone_lowest_possible_pfn[movable_zone];
restart:
@@ -5137,6 +5160,7 @@ restart:
if (usable_nodes && required_kernelcore > usable_nodes)
goto restart;
+out2:
/* Align start of ZONE_MOVABLE on all nids to MAX_ORDER_NR_PAGES */
for (nid = 0; nid < MAX_NUMNODES; nid++)
zone_movable_pfn[nid] =