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-rw-r--r--mm/page-writeback.c12
1 files changed, 0 insertions, 12 deletions
diff --git a/mm/page-writeback.c b/mm/page-writeback.c
index 91d163f8d36b..f13ed7639941 100644
--- a/mm/page-writeback.c
+++ b/mm/page-writeback.c
@@ -324,18 +324,6 @@ static unsigned long highmem_dirtyable_memory(unsigned long total)
}
/*
- * Unreclaimable memory (kernel memory or anonymous memory
- * without swap) can bring down the dirtyable pages below
- * the zone's dirty balance reserve and the above calculation
- * will underflow. However we still want to add in nodes
- * which are below threshold (negative values) to get a more
- * accurate calculation but make sure that the total never
- * underflows.
- */
- if ((long)x < 0)
- x = 0;
-
- /*
* Make sure that the number of highmem pages is never larger
* than the number of the total dirtyable memory. This can only
* occur in very strange VM situations but we want to make sure