# HG changeset patch
# User Benoit Boissinot <benoit.boissinot@ens-lyon.org>
# Date 2010-04-15 13:21:21
# Node ID 9c84395a338e99adf7d232e90fdba6351f1ec44e
# Parent  b7ca37b90762a3bb1e5600460b115b77f70e6a06

add documentation for revlog._prereadsize

diff --git a/mercurial/revlog.py b/mercurial/revlog.py
--- a/mercurial/revlog.py
+++ b/mercurial/revlog.py
@@ -31,9 +31,11 @@ REVLOG_DEFAULT_FLAGS = REVLOGNGINLINEDAT
 REVLOG_DEFAULT_FORMAT = REVLOGNG
 REVLOG_DEFAULT_VERSION = REVLOG_DEFAULT_FORMAT | REVLOG_DEFAULT_FLAGS
 
+# amount of data read unconditionally, should be >= 4
+# when not inline: threshold for using lazy index
 _prereadsize = 1048576
-
-_maxinline = 131072                     # max size of revlog with inline data
+# max size of revlog with inline data
+_maxinline = 131072
 
 RevlogError = error.RevlogError
 LookupError = error.LookupError