linux-kernel - Re: [PATCH 16/28] ktap: add runtime/amalg.c

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Date:	Fri, 28 Mar 2014 11:52:43 -0700
From:	Andi Kleen <andi@...stfloor.org>
To:	Jovi Zhangwei <jovi.zhangwei@...il.com>
Cc:	Ingo Molnar <mingo@...hat.org>,
	Steven Rostedt <rostedt@...dmis.org>,
	linux-kernel@...r.kernel.org,
	Masami Hiramatsu <masami.hiramatsu.pt@...achi.com>,
	Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
	Frederic Weisbecker <fweisbec@...il.com>
Subject: Re: [PATCH 16/28] ktap: add runtime/amalg.c

Jovi Zhangwei <jovi.zhangwei@...il.com> writes:

> Use amalgamation build make ktapvm.ko much smaller.
>
> No amalgamation build in x86_64:
> ktapvm.ko: 2.4M
>
> amalgamation build in x86_64:
> ktapvm.ko: 1.1M
>
> User can set use amalgamation build or not in Makefile.

This seems dubious. Is that due to debug information?

[if yes new enough toolchain can fix that]

If it's due to code something is seriously wrong, 
perhaps in your inlines.

-Andi

-- 
ak@...ux.intel.com -- Speaking for myself only
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