[RFC PATCH 1/3] export symbol report: overview

From: Ram Pai
Date: Thu Apr 20 2006 - 18:37:18 EST


This patch series enables on-demand report generation of export symbol usage by
inkernel modules. The report is available at

A report generated by executing
make allmodconfig
make export_report
is available at http://www.sudhaa.com/~ram/misc/export_report.txt

This report lists:
1. the usage count of all exported symbols by in-kernel modules.
2. For each in-kernel module lists
a) the in-kernel modules it depend on.
b) list of exported symbols from that in-kernel modules it depend on.

Highlights:
On x86 architecture
(1) 880 exported symbols not used by any in-kernel modules.
(2) 1792 exported symbols used only once.

This patch series has comments by Adrian Bunk incorporated.
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