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path: root/drivers/hv/hv_balloon.c
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Diffstat (limited to 'drivers/hv/hv_balloon.c')
-rw-r--r--drivers/hv/hv_balloon.c12
1 files changed, 6 insertions, 6 deletions
diff --git a/drivers/hv/hv_balloon.c b/drivers/hv/hv_balloon.c
index f5728deff893..db0e6652d7ef 100644
--- a/drivers/hv/hv_balloon.c
+++ b/drivers/hv/hv_balloon.c
@@ -584,10 +584,6 @@ static int hv_memory_notifier(struct notifier_block *nb, unsigned long val,
switch (val) {
case MEM_ONLINE:
- spin_lock_irqsave(&dm_device.ha_lock, flags);
- dm_device.num_pages_onlined += mem->nr_pages;
- spin_unlock_irqrestore(&dm_device.ha_lock, flags);
- /* Fall through */
case MEM_CANCEL_ONLINE:
if (dm_device.ha_waiting) {
dm_device.ha_waiting = false;
@@ -644,6 +640,9 @@ static void hv_page_online_one(struct hv_hotadd_state *has, struct page *pg)
__online_page_set_limits(pg);
__online_page_increment_counters(pg);
__online_page_free(pg);
+
+ WARN_ON_ONCE(!spin_is_locked(&dm_device.ha_lock));
+ dm_device.num_pages_onlined++;
}
static void hv_bring_pgs_online(struct hv_hotadd_state *has,
@@ -1036,8 +1035,8 @@ static void process_info(struct hv_dynmem_device *dm, struct dm_info_msg *msg)
if (info_hdr->data_size == sizeof(__u64)) {
__u64 *max_page_count = (__u64 *)&info_hdr[1];
- pr_info("INFO_TYPE_MAX_PAGE_CNT = %llu\n",
- *max_page_count);
+ pr_info("Max. dynamic memory size: %llu MB\n",
+ (*max_page_count) >> (20 - PAGE_SHIFT));
}
break;
@@ -1656,6 +1655,7 @@ static int balloon_probe(struct hv_device *dev,
}
dm_device.state = DM_INITIALIZED;
+ last_post_time = jiffies;
return 0;