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-rw-r--r--mm/page-writeback.c8
1 files changed, 6 insertions, 2 deletions
diff --git a/mm/page-writeback.c b/mm/page-writeback.c
index bc5149d..3b88795 100644
--- a/mm/page-writeback.c
+++ b/mm/page-writeback.c
@@ -296,11 +296,15 @@ static unsigned long highmem_dirtyable_memory(unsigned long total)
#ifdef CONFIG_HIGHMEM
int node;
unsigned long x = 0;
+ int i;
for_each_node_state(node, N_HIGH_MEMORY) {
- struct zone *z = &NODE_DATA(node)->node_zones[ZONE_HIGHMEM];
+ for (i = 0; i < MAX_NR_ZONES; i++) {
+ struct zone *z = &NODE_DATA(node)->node_zones[i];
- x += zone_dirtyable_memory(z);
+ if (is_highmem(z))
+ x += zone_dirtyable_memory(z);
+ }
}
/*
* Unreclaimable memory (kernel memory or anonymous memory