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-rw-r--r--include/linux/mmzone.h6
1 files changed, 6 insertions, 0 deletions
diff --git a/include/linux/mmzone.h b/include/linux/mmzone.h
index 3ac040f19369..ca6ca92418a6 100644
--- a/include/linux/mmzone.h
+++ b/include/linux/mmzone.h
@@ -317,6 +317,12 @@ struct zone {
*/
unsigned long lowmem_reserve[MAX_NR_ZONES];
+ /*
+ * This is a per-zone reserve of pages that should not be
+ * considered dirtyable memory.
+ */
+ unsigned long dirty_balance_reserve;
+
#ifdef CONFIG_NUMA
int node;
/*