netdev - Re: [PATCH] vlan & net drivers: avoid a 4-order allocation]

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] [day] [month] [year] [list]

Date:	Fri, 02 Mar 2007 13:48:02 -0800 (PST)
From:	David Miller <davem@...emloft.net>
To:	da-x@...atomic.org
Cc:	netdev@...r.kernel.org, greearb@...delatech.com
Subject: Re: [PATCH] vlan & net drivers: avoid a 4-order allocation]

From: Dan Aloni <da-x@...atomic.org>
Date: Thu, 1 Mar 2007 12:02:17 +0200

> This patch splits the vlan_group struct into a multi-allocated struct. On
> x86_64, the size of the original struct is a little more than 32KB, causing
> a 4-order allocation, which is prune to problems caused by buddy-system 
> external fragmentation conditions.
> 
> I couldn't just use vmalloc() because vfree() cannot be called in the
> softirq context of the RCU callback.
> 
> Signed-off-by: Dan Aloni <da-x@...atomic.org>

No objections, this really needs to be fixed, applied.

Thank you.
-
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