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>
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@ -337,6 +337,7 @@ sub get_kernel_version() {
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}
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return $version;
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}
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my $kernelversion = get_kernel_version();
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# generate a sequence of code that will splice in highlighting information
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# using the s// operator.
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@ -610,7 +611,7 @@ sub output_function_xml(%) {
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print "<refmeta>\n";
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print " <refentrytitle><phrase>".$args{'function'}."</phrase></refentrytitle>\n";
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print " <manvolnum>9</manvolnum>\n";
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print " <refmiscinfo class=\"version\">" . get_kernel_version() . "</refmiscinfo>\n";
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print " <refmiscinfo class=\"version\">" . $kernelversion . "</refmiscinfo>\n";
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print "</refmeta>\n";
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print "<refnamediv>\n";
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print " <refname>".$args{'function'}."</refname>\n";
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@ -687,7 +688,7 @@ sub output_struct_xml(%) {
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print "<refmeta>\n";
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print " <refentrytitle><phrase>".$args{'type'}." ".$args{'struct'}."</phrase></refentrytitle>\n";
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print " <manvolnum>9</manvolnum>\n";
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print " <refmiscinfo class=\"version\">" . get_kernel_version() . "</refmiscinfo>\n";
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print " <refmiscinfo class=\"version\">" . $kernelversion . "</refmiscinfo>\n";
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print "</refmeta>\n";
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print "<refnamediv>\n";
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print " <refname>".$args{'type'}." ".$args{'struct'}."</refname>\n";
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@ -772,7 +773,7 @@ sub output_enum_xml(%) {
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print "<refmeta>\n";
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print " <refentrytitle><phrase>enum ".$args{'enum'}."</phrase></refentrytitle>\n";
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print " <manvolnum>9</manvolnum>\n";
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print " <refmiscinfo class=\"version\">" . get_kernel_version() . "</refmiscinfo>\n";
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print " <refmiscinfo class=\"version\">" . $kernelversion . "</refmiscinfo>\n";
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print "</refmeta>\n";
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print "<refnamediv>\n";
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print " <refname>enum ".$args{'enum'}."</refname>\n";
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