X-Git-Url: http://www.git.stargrave.org/?a=blobdiff_plain;f=lib%2FPublicInbox%2FGit.pm;fp=lib%2FPublicInbox%2FGit.pm;h=a1af776be4d62b27186ef4e112b6c46ace89e2c1;hb=56e6e587745ca2aa04c17352d8662098b68c596f;hp=882a9a4ac28815f3dbc920e3344b78781edb9a7d;hpb=e683fa9ea41f44191e32be6af37069210c4593e2;p=public-inbox.git

diff --git a/lib/PublicInbox/Git.pm b/lib/PublicInbox/Git.pm
index 882a9a4a..a1af776b 100644
--- a/lib/PublicInbox/Git.pm
+++ b/lib/PublicInbox/Git.pm
@@ -28,8 +28,10 @@ our $in_cleanup;
 our $RDTIMEO = 60_000; # milliseconds
 our $async_warn; # true in read-only daemons
 
-use constant MAX_INFLIGHT => (POSIX::PIPE_BUF * 3) /
-	65; # SHA-256 hex size + "\n" in preparation for git using non-SHA1
+# 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
+use constant MAX_INFLIGHT => 512 * 3 / 65;
 
 my %GIT_ESC = (
 	a => "\a",