linux-kernel - Re: [patch 21/21] slab defrag: Obsolete SLAB

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: <2f11576a0805120038s334dc56cuaf16b8b7c6f87098@mail.gmail.com>
Date:	Mon, 12 May 2008 16:38:08 +0900
From:	"KOSAKI Motohiro" <kosaki.motohiro@...fujitsu.com>
To:	"Rik van Riel" <riel@...hat.com>
Cc:	"Andi Kleen" <andi@...stfloor.org>,
	"Christoph Lameter" <clameter@....com>, akpm@...ux-foundation.org,
	linux-kernel@...r.kernel.org, linux-fsdevel@...r.kernel.org,
	"Mel Gorman" <mel@...net.ie>,
	"Pekka Enberg" <penberg@...helsinki.fi>, mpm@...enic.com
Subject: Re: [patch 21/21] slab defrag: Obsolete SLAB

>> What about the TPC performance regressions? My understanding was that
>> slub still performed worse in the "object allocated on one CPU, freed on
>> the other CPU" type workloads due to less batching.
>
> Which can be the majority of object allocations and frees in some
> workloads.  It definately wants fixing.

Agreed, that situation is very frequency happend, IMHO.
--
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/