linux-kernel - [PATCH 4/4] build system: section garbage collection for vmlinux

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Date:	Tue, 11 Sep 2007 21:22:07 +0100
From:	Denys Vlasenko <vda.linux@...glemail.com>
To:	Sam Ravnborg <sam@...nborg.org>
Cc:	linux-kernel@...r.kernel.org
Subject: [PATCH 4/4] build system: section garbage collection for vmlinux

This is the core patch of the series.

It adds CONFIG_DISCARD_UNUSED_SECTIONS,
adds KEEP() directives to linker scripts,
adds custom module linker script which is needed
to avoid having modules with many small sections.
Modules got a bit smaller too, as a result.

This patch is slighty more risky than first three,
probably need to go into -mm first.
It should be safe with CONFIG_DISCARD_UNUSED_SECTIONS off, though.

Signed-off-by: Denys Vlasenko <vda.linux@...glemail.com>
--
vda

View attachment "linux-2.6.23-rc4.4.gc.patch" of type "text/x-diff" (20972 bytes)