linux-kernel - Re: [PATCH v4 04/11] readahead: allocate folios with mapping_min

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: <ZiqmxCn0ks_GUq5-@casper.infradead.org>
Date: Thu, 25 Apr 2024 19:53:56 +0100
From: Matthew Wilcox <willy@...radead.org>
To: "Pankaj Raghav (Samsung)" <kernel@...kajraghav.com>
Cc: djwong@...nel.org, brauner@...nel.org, david@...morbit.com,
	chandan.babu@...cle.com, akpm@...ux-foundation.org,
	linux-fsdevel@...r.kernel.org, hare@...e.de,
	linux-kernel@...r.kernel.org, linux-mm@...ck.org,
	linux-xfs@...r.kernel.org, mcgrof@...nel.org, gost.dev@...sung.com,
	p.raghav@...sung.com
Subject: Re: [PATCH v4 04/11] readahead: allocate folios with
 mapping_min_order in readahead

On Thu, Apr 25, 2024 at 01:37:39PM +0200, Pankaj Raghav (Samsung) wrote:
> +	unsigned long index = readahead_index(ractl), ra_folio_index;

This is confusing.  Uninitialised variables should go before initialised
ones.  So either:

	unsigned long ra_folio_index, index = readahead_index(ractl);
or
	unsigned long index = readahead_index(ractl);
	unsigned long ra_folio_index;

> +	unsigned long i = 0, mark;

ditto