linux-kernel - Re: [ckrm-tech] [PATCH 4/13] BC: context handling

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 for Android: free password hash cracker in your pocket

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-ID: <6599ad830611222348o1203357tea64fff91edca4f3@mail.gmail.com>
Date:	Wed, 22 Nov 2006 23:48:56 -0800
From:	"Paul Menage" <menage@...gle.com>
To:	"Kirill Korotaev" <dev@...ru>
Cc:	"Andrew Morton" <akpm@...l.org>, ckrm-tech@...ts.sourceforge.net,
	"Linux Kernel Mailing List" <linux-kernel@...r.kernel.org>,
	matthltc@...ibm.com, hch@...radead.org,
	"Alan Cox" <alan@...rguk.ukuu.org.uk>, oleg@...sign.ru,
	devel@...nvz.org, xemul@...nvz.org
Subject: Re: [ckrm-tech] [PATCH 4/13] BC: context handling

On 11/9/06, Kirill Korotaev <dev@...ru> wrote:
> +
> +int bc_task_move(int pid, struct beancounter *bc, int whole)
> +{

...

> +
> +       down_write(&mm->mmap_sem);
> +       err = stop_machine_run(do_set_bcid, &data, NR_CPUS);
> +       up_write(&mm->mmap_sem);

Isn't this a little heavyweight for moving a task into/between beancounters?

Paul
-
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/