summaryrefslogtreecommitdiff
diff options
context:
space:
mode:
-rw-r--r--src/sort.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/src/sort.c b/src/sort.c
index 1aa1eb416..5c368cd95 100644
--- a/src/sort.c
+++ b/src/sort.c
@@ -107,7 +107,7 @@ struct rlimit { size_t rlim_cur; };
/* Maximum number of lines to merge every time a NODE is taken from
the MERGE_QUEUE. Node is at LEVEL in the binary merge tree,
and is responsible for merging TOTAL lines. */
-#define MAX_MERGE(total, level) ((total) / ((2 << level) * (2 << level)) + 1)
+#define MAX_MERGE(total, level) (((total) >> (2 * ((level) + 1))) + 1)
/* Heuristic value for the number of lines for which it is worth
creating a subthread, during an internal merge sort, on a machine