kernel-doc: small kernel-doc optimization
Get the kernel version string only once from the environment, thus slightly
speeding up kernel-doc.
Signed-off-by: Borislav Petkov <bbpetkov@yahoo.de>
Signed-off-by: Randy Dunlap <randy.dunlap@oracle.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
diff --git a/scripts/kernel-doc b/scripts/kernel-doc
index a325a0c..e5bf649 100755
--- a/scripts/kernel-doc
+++ b/scripts/kernel-doc
@@ -337,6 +337,7 @@
}
return $version;
}
+my $kernelversion = get_kernel_version();
# generate a sequence of code that will splice in highlighting information
# using the s// operator.
@@ -610,7 +611,7 @@
print "<refmeta>\n";
print " <refentrytitle><phrase>".$args{'function'}."</phrase></refentrytitle>\n";
print " <manvolnum>9</manvolnum>\n";
- print " <refmiscinfo class=\"version\">" . get_kernel_version() . "</refmiscinfo>\n";
+ print " <refmiscinfo class=\"version\">" . $kernelversion . "</refmiscinfo>\n";
print "</refmeta>\n";
print "<refnamediv>\n";
print " <refname>".$args{'function'}."</refname>\n";
@@ -687,7 +688,7 @@
print "<refmeta>\n";
print " <refentrytitle><phrase>".$args{'type'}." ".$args{'struct'}."</phrase></refentrytitle>\n";
print " <manvolnum>9</manvolnum>\n";
- print " <refmiscinfo class=\"version\">" . get_kernel_version() . "</refmiscinfo>\n";
+ print " <refmiscinfo class=\"version\">" . $kernelversion . "</refmiscinfo>\n";
print "</refmeta>\n";
print "<refnamediv>\n";
print " <refname>".$args{'type'}." ".$args{'struct'}."</refname>\n";
@@ -772,7 +773,7 @@
print "<refmeta>\n";
print " <refentrytitle><phrase>enum ".$args{'enum'}."</phrase></refentrytitle>\n";
print " <manvolnum>9</manvolnum>\n";
- print " <refmiscinfo class=\"version\">" . get_kernel_version() . "</refmiscinfo>\n";
+ print " <refmiscinfo class=\"version\">" . $kernelversion . "</refmiscinfo>\n";
print "</refmeta>\n";
print "<refnamediv>\n";
print " <refname>enum ".$args{'enum'}."</refname>\n";