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-rw-r--r--src/runtime/mgcmark.go2
1 files changed, 1 insertions, 1 deletions
diff --git a/src/runtime/mgcmark.go b/src/runtime/mgcmark.go
index 2c17d8befa..301d8020f1 100644
--- a/src/runtime/mgcmark.go
+++ b/src/runtime/mgcmark.go
@@ -54,7 +54,7 @@ func gcMarkRootPrepare() {
// Compute how many data and BSS root blocks there are.
nBlocks := func(bytes uintptr) int {
- return int((bytes + rootBlockBytes - 1) / rootBlockBytes)
+ return int(divRoundUp(bytes, rootBlockBytes))
}
work.nDataRoots = 0