sanitize audit_mq_open()

[safe/jmp/linux-2.6] / mm / memory_hotplug.c

diff --git a/mm/memory_hotplug.c b/mm/memory_hotplug.c
index c299d08..b173711 100644 (file)
--- a/mm/memory_hotplug.c
+++ b/mm/memory_hotplug.c
@@ -22,7 +22,6 @@
 #include <linux/highmem.h>
 #include <linux/vmalloc.h>
 #include <linux/ioport.h>
-#include <linux/cpuset.h>
 #include <linux/delay.h>
 #include <linux/migrate.h>
 #include <linux/page-isolation.h>
@@ -190,7 +189,7 @@ static void grow_pgdat_span(struct pglist_data *pgdat, unsigned long start_pfn,
                                        pgdat->node_start_pfn;
 }
 
-static int __add_zone(struct zone *zone, unsigned long phys_start_pfn)
+static int __meminit __add_zone(struct zone *zone, unsigned long phys_start_pfn)
 {
        struct pglist_data *pgdat = zone->zone_pgdat;
        int nr_pages = PAGES_PER_SECTION;
@@ -217,7 +216,7 @@ static int __add_zone(struct zone *zone, unsigned long phys_start_pfn)
        return 0;
 }
 
-static int __add_section(struct zone *zone, unsigned long phys_start_pfn)
+static int __meminit __add_section(struct zone *zone, unsigned long phys_start_pfn)
 {
        int nr_pages = PAGES_PER_SECTION;
        int ret;
@@ -274,7 +273,7 @@ static int __remove_section(struct zone *zone, struct mem_section *ms)
  * call this function after deciding the zone to which to
  * add the new pages.
  */
-int __add_pages(struct zone *zone, unsigned long phys_start_pfn,
+int __ref __add_pages(struct zone *zone, unsigned long phys_start_pfn,
                 unsigned long nr_pages)
 {
        unsigned long i;
@@ -324,11 +323,11 @@ int __remove_pages(struct zone *zone, unsigned long phys_start_pfn,
        BUG_ON(phys_start_pfn & ~PAGE_SECTION_MASK);
        BUG_ON(nr_pages % PAGES_PER_SECTION);
 
-       release_mem_region(phys_start_pfn << PAGE_SHIFT, nr_pages * PAGE_SIZE);
-
        sections_to_remove = nr_pages / PAGES_PER_SECTION;
        for (i = 0; i < sections_to_remove; i++) {
                unsigned long pfn = phys_start_pfn + i*PAGES_PER_SECTION;
+               release_mem_region(pfn << PAGE_SHIFT,
+                                  PAGES_PER_SECTION << PAGE_SHIFT);
                ret = __remove_section(zone, __pfn_to_section(pfn));
                if (ret)
                        break;
@@ -471,7 +470,8 @@ static void rollback_node_hotadd(int nid, pg_data_t *pgdat)
 }
 
 
-int add_memory(int nid, u64 start, u64 size)
+/* we are OK calling __meminit stuff here - we have CONFIG_MEMORY_HOTPLUG */
+int __ref add_memory(int nid, u64 start, u64 size)
 {
        pg_data_t *pgdat = NULL;
        int new_pgdat = 0;
@@ -498,8 +498,6 @@ int add_memory(int nid, u64 start, u64 size)
        /* we online node here. we can't roll back from here. */
        node_set_online(nid);
 
-       cpuset_track_online_nodes();
-
        if (new_pgdat) {
                ret = register_one_node(nid);
                /*
@@ -658,8 +656,9 @@ do_migrate_range(unsigned long start_pfn, unsigned long end_pfn)
                 * We can skip free pages. And we can only deal with pages on
                 * LRU.
                 */
-               ret = isolate_lru_page(page, &source);
+               ret = isolate_lru_page(page);
                if (!ret) { /* Success */
+                       list_add_tail(&page->lru, &source);
                        move_pages--;
                } else {
                        /* Becasue we don't have big zone->lock. we should