netdev - Re: [RFC 2/2] shrink size of scatterlist on common i386/x86-64

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: <20070705.164308.01771618.davem@davemloft.net>
Date:	Thu, 05 Jul 2007 16:43:08 -0700 (PDT)
From:	David Miller <davem@...emloft.net>
To:	shemminger@...ux-foundation.org
Cc:	netdev@...r.kernel.org
Subject: Re: [RFC 2/2] shrink size of scatterlist on common i386/x86-64

From: Stephen Hemminger <shemminger@...ux-foundation.org>
Date: Thu, 05 Jul 2007 16:14:14 -0700

> The scatterlist only needs 16 bits for length/offset because
> PAGE_SIZE is 4K
> 
> Signed-off-by: Stephen Hemminger <shemminger@...ux-foundation.org>

Unfortunately I don't think this can be done, even on i386.

It is legal to use order!=0 pages and multi-page areas in a single
scatterlist entry.

-
To unsubscribe from this list: send the line "unsubscribe netdev" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html