linux-kernel - Re: [PATCH] xfs: do not pass unused params to xfs_flush

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-ID: <480D586C.1030305@sandeen.net>
Date:	Mon, 21 Apr 2008 22:15:56 -0500
From:	Eric Sandeen <sandeen@...deen.net>
To:	Denys Vlasenko <vda.linux@...glemail.com>
CC:	David Chinner <dgc@....com>, Adrian Bunk <bunk@...nel.org>,
	Alan Cox <alan@...rguk.ukuu.org.uk>,
	Shawn Bohrer <shawn.bohrer@...il.com>,
	Ingo Molnar <mingo@...e.hu>,
	Andrew Morton <akpm@...ux-foundation.org>,
	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
	Arjan van de Ven <arjan@...radead.org>,
	Thomas Gleixner <tglx@...utronix.de>
Subject: Re: [PATCH] xfs: do not pass unused params to xfs_flush_pages

Denys Vlasenko wrote:
> Hi David,
> 
> xfs_flush_pages() does not use some of its parameters, namely:
> first, last and fiops.
> 
> This patch removes these parameters from all callsites.
> 
> Code size difference on 32-bit x86:
> 
>    text    data     bss     dec     hex filename
>  390739    2748    1708  395195   607bb linux-2.6-xfs1-TEST/fs/xfs/xfs.o
>  390567    2748    1708  395023   6070f linux-2.6-xfs2-TEST/fs/xfs/xfs.o
> 
> Compile-tested only.

FWIW this one actually does not seem to reduce stack usage anywhere.

-Eric
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/