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-rw-r--r--mm/memory_hotplug.c35
1 files changed, 21 insertions, 14 deletions
diff --git a/mm/memory_hotplug.c b/mm/memory_hotplug.c
index 339d5a62d5d5..65f166ec2e4c 100644
--- a/mm/memory_hotplug.c
+++ b/mm/memory_hotplug.c
@@ -561,20 +561,6 @@ int __remove_pages(struct zone *zone, unsigned long phys_start_pfn,
if (is_dev_zone(zone)) {
if (altmap)
map_offset = vmem_altmap_offset(altmap);
- } else {
- resource_size_t start, size;
-
- start = phys_start_pfn << PAGE_SHIFT;
- size = nr_pages * PAGE_SIZE;
-
- ret = release_mem_region_adjustable(&iomem_resource, start,
- size);
- if (ret) {
- resource_size_t endres = start + size - 1;
-
- pr_warn("Unable to release resource <%pa-%pa> (%d)\n",
- &start, &endres, ret);
- }
}
clear_zone_contiguous(zone);
@@ -1818,6 +1804,26 @@ void try_offline_node(int nid)
}
EXPORT_SYMBOL(try_offline_node);
+static void __release_memory_resource(resource_size_t start,
+ resource_size_t size)
+{
+ int ret;
+
+ /*
+ * When removing memory in the same granularity as it was added,
+ * this function never fails. It might only fail if resources
+ * have to be adjusted or split. We'll ignore the error, as
+ * removing of memory cannot fail.
+ */
+ ret = release_mem_region_adjustable(&iomem_resource, start, size);
+ if (ret) {
+ resource_size_t endres = start + size - 1;
+
+ pr_warn("Unable to release resource <%pa-%pa> (%d)\n",
+ &start, &endres, ret);
+ }
+}
+
/**
* remove_memory
* @nid: the node ID
@@ -1852,6 +1858,7 @@ void __ref __remove_memory(int nid, u64 start, u64 size)
memblock_remove(start, size);
arch_remove_memory(nid, start, size, NULL);
+ __release_memory_resource(start, size);
try_offline_node(nid);