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-rw-r--r--lib/PublicInbox/Git.pm4
-rw-r--r--t/git.t2
2 files changed, 4 insertions, 2 deletions
diff --git a/lib/PublicInbox/Git.pm b/lib/PublicInbox/Git.pm
index 764e38d7..53887e3d 100644
--- a/lib/PublicInbox/Git.pm
+++ b/lib/PublicInbox/Git.pm
@@ -35,10 +35,10 @@ my @MODIFIED_DATE = qw[for-each-ref --sort=-committerdate
                         --format=%(committerdate:raw) --count=1];
 
 # 512: POSIX PIPE_BUF minimum (see pipe(7))
-# 3: @$inflight is flattened [ $OID, $cb, $arg ]
 # 65: SHA-256 hex size + "\n" in preparation for git using non-SHA1
+# 3: @$inflight is flattened [ $OID, $cb, $arg ]
 use constant {
-        MAX_INFLIGHT => 512 * 3 / (65 + length('contents ')),
+        MAX_INFLIGHT => int(512 / (65 + length('contents '))) * 3,
         BATCH_CMD_VER => v2.36.0, # git 2.36+
 };
 
diff --git a/t/git.t b/t/git.t
index dfa5eab2..bde6d35b 100644
--- a/t/git.t
+++ b/t/git.t
@@ -8,6 +8,8 @@ my ($dir, $for_destroy) = tmpdir();
 use PublicInbox::Import;
 use POSIX qw(strftime);
 use PublicInbox::Git;
+is(PublicInbox::Git::MAX_INFLIGHT,
+        int(PublicInbox::Git::MAX_INFLIGHT), 'MAX_INFLIGHT is an integer');
 
 {
         PublicInbox::Import::init_bare($dir, 'master');