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Re: [PATCH 4/6] use include/asm-generic/bitops for each architecture

To: Hirokazu Takata <takata@linux-m32r.org>
Subject: Re: [PATCH 4/6] use include/asm-generic/bitops for each architecture
From: mita@miraclelinux.com (Akinobu Mita)
Date: Mon, 30 Jan 2006 12:15:22 +0900
Cc: linux-kernel@vger.kernel.org, rth@twiddle.net, ink@jurassic.park.msu.ru, rmk@arm.linux.org.uk, spyro@f2s.com, dev-etrax@axis.com, dhowells@redhat.com, ysato@users.sourceforge.jp, torvalds@osdl.org, linux-ia64@vger.kernel.org, linux-m68k@lists.linux-m68k.org, gerg@uclinux.org, linux-mips@linux-mips.org, parisc-linux@parisc-linux.org, linuxppc-dev@ozlabs.org, linux390@de.ibm.com, linuxsh-dev@lists.sourceforge.net, linuxsh-shmedia-dev@lists.sourceforge.net, sparclinux@vger.kernel.org, ultralinux@vger.kernel.org, uclinux-v850@lsi.nec.co.jp, ak@suse.de, chris@zankel.net, akpm@osdl.org
In-reply-to: <20060127.220401.356433243.takata.hirokazu@renesas.com>
Original-recipient: rfc822;linux-mips@linux-mips.org
References: <20060125112625.GA18584@miraclelinux.com> <20060125113336.GE18584@miraclelinux.com> <20060126014934.GA6648@miraclelinux.com> <20060127.220401.356433243.takata.hirokazu@renesas.com>
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On Fri, Jan 27, 2006 at 10:04:01PM +0900, Hirokazu Takata wrote:

> compile and boot test on m32r: OK

Thanks.

> Code size became a little bigger...  ;-)
> 
> $ size linux-2.6.16-rc1*/vmlinux
>    text    data     bss     dec     hex filename
> 1768030  124412  721632 2614074  27e33a linux-2.6.16-rc1.bitops/vmlinux
> 1755010  124412  721632 2601054  27b05e linux-2.6.16-rc1.org/vmlinux

The only difference I can find is __ffs()/ffz().
As Russel King clealy pointed out, it will generate larger code
than before.


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