linux-kernel - RE: Memory allocation modifications in ibm

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]

Date:	Thu, 02 Sep 2010 14:18:12 +1000
From:	Benjamin Herrenschmidt <benh@...nel.crashing.org>
To:	Jonathan Haws <Jonathan.Haws@....usu.edu>
Cc:	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	"linux-net@...r.kernel.org" <linux-net@...r.kernel.org>,
	"linuxppc-dev@...ts.ozlabs.org" <linuxppc-dev@...ts.ozlabs.org>
Subject: RE: Memory allocation modifications in ibm_newemac driver

On Wed, 2010-09-01 at 22:04 +0000, Jonathan Haws wrote:
> Okay, I think I have all the issues worked out and can now send and
> receive any size packet without a hiccup.  I have tested this in our
> system setup as well with data being sent out to disk and did not see
> any problems there either (since it only ever allocates a single page,
> never more).
> 
> Is this something that may be wanted in the mainline?  I have not run
> full benchmarks, but I anticipate that my modified driver is slightly
> slower than the mainline driver because we keep track of an SKB ring,
> as well as a ring of pages and allocate both on each packet received.

Well, it won't hurt to post the patch to review :-)

Make sure to CC me as I more/less maintain that driver.

Cheers,
Ben.


--
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/