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mm: memcontrol: do not iterate uninitialized memcgs
[platform/adaptation/renesas_rcar/renesas_kernel.git]
/
mm
/
memory_hotplug.c
diff --git
a/mm/memory_hotplug.c
b/mm/memory_hotplug.c
index
489f235
..
a650db2
100644
(file)
--- a/
mm/memory_hotplug.c
+++ b/
mm/memory_hotplug.c
@@
-9,7
+9,6
@@
#include <linux/swap.h>
#include <linux/interrupt.h>
#include <linux/pagemap.h>
#include <linux/swap.h>
#include <linux/interrupt.h>
#include <linux/pagemap.h>
-#include <linux/bootmem.h>
#include <linux/compiler.h>
#include <linux/export.h>
#include <linux/pagevec.h>
#include <linux/compiler.h>
#include <linux/export.h>
#include <linux/pagevec.h>
@@
-269,7
+268,7
@@
static void fix_zone_id(struct zone *zone, unsigned long start_pfn,
}
/* Can fail with -ENOMEM from allocating a wait table with vmalloc() or
}
/* Can fail with -ENOMEM from allocating a wait table with vmalloc() or
- * alloc_bootmem_node_nopanic() */
+ * alloc_bootmem_node_nopanic()
/memblock_virt_alloc_node_nopanic()
*/
static int __ref ensure_zone_is_initialized(struct zone *zone,
unsigned long start_pfn, unsigned long num_pages)
{
static int __ref ensure_zone_is_initialized(struct zone *zone,
unsigned long start_pfn, unsigned long num_pages)
{
@@
-1108,17
+1107,18
@@
int __ref add_memory(int nid, u64 start, u64 size)
if (ret)
return ret;
if (ret)
return ret;
- lock_memory_hotplug();
-
res = register_memory_resource(start, size);
ret = -EEXIST;
if (!res)
res = register_memory_resource(start, size);
ret = -EEXIST;
if (!res)
-
goto ou
t;
+
return re
t;
{ /* Stupid hack to suppress address-never-null warning */
void *p = NODE_DATA(nid);
new_pgdat = !p;
}
{ /* Stupid hack to suppress address-never-null warning */
void *p = NODE_DATA(nid);
new_pgdat = !p;
}
+
+ lock_memory_hotplug();
+
new_node = !node_online(nid);
if (new_node) {
pgdat = hotadd_new_pgdat(nid, start);
new_node = !node_online(nid);
if (new_node) {
pgdat = hotadd_new_pgdat(nid, start);
@@
-1310,7
+1310,7
@@
do_migrate_range(unsigned long start_pfn, unsigned long end_pfn)
#ifdef CONFIG_DEBUG_VM
printk(KERN_ALERT "removing pfn %lx from LRU failed\n",
pfn);
#ifdef CONFIG_DEBUG_VM
printk(KERN_ALERT "removing pfn %lx from LRU failed\n",
pfn);
- dump_page(page);
+ dump_page(page
, "failed to remove from LRU"
);
#endif
put_page(page);
/* Because we don't have big zone->lock. we should
#endif
put_page(page);
/* Because we don't have big zone->lock. we should
@@
-1446,6
+1446,7
@@
static int __init cmdline_parse_movable_node(char *p)
* the kernel away from hotpluggable memory.
*/
memblock_set_bottom_up(true);
* the kernel away from hotpluggable memory.
*/
memblock_set_bottom_up(true);
+ movable_node_enabled = true;
#else
pr_warn("movable_node option not supported\n");
#endif
#else
pr_warn("movable_node option not supported\n");
#endif