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Diffstat (limited to 'mm/balloon_compaction.c')
-rw-r--r--mm/balloon_compaction.c10
1 files changed, 2 insertions, 8 deletions
diff --git a/mm/balloon_compaction.c b/mm/balloon_compaction.c
index 22c96fed70b5..d3e00731e262 100644
--- a/mm/balloon_compaction.c
+++ b/mm/balloon_compaction.c
@@ -24,6 +24,7 @@ static void balloon_page_enqueue_one(struct balloon_dev_info *b_dev_info,
balloon_page_insert(b_dev_info, page);
unlock_page(page);
__count_vm_event(BALLOON_INFLATE);
+ inc_node_page_state(page, NR_BALLOON_PAGES);
}
/**
@@ -103,6 +104,7 @@ size_t balloon_page_list_dequeue(struct balloon_dev_info *b_dev_info,
__count_vm_event(BALLOON_DEFLATE);
list_add(&page->lru, pages);
unlock_page(page);
+ dec_node_page_state(page, NR_BALLOON_PAGES);
n_pages++;
}
spin_unlock_irqrestore(&b_dev_info->pages_lock, flags);
@@ -234,14 +236,6 @@ static int balloon_page_migrate(struct page *newpage, struct page *page,
{
struct balloon_dev_info *balloon = balloon_page_device(page);
- /*
- * We can not easily support the no copy case here so ignore it as it
- * is unlikely to be used with balloon pages. See include/linux/hmm.h
- * for a user of the MIGRATE_SYNC_NO_COPY mode.
- */
- if (mode == MIGRATE_SYNC_NO_COPY)
- return -EINVAL;
-
VM_BUG_ON_PAGE(!PageLocked(page), page);
VM_BUG_ON_PAGE(!PageLocked(newpage), newpage);