linux-kernel - Re: [PATCH 6/13] BC: kmemsize accounting (core)

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:	Sat, 11 Nov 2006 00:46:36 +0200
From:	"Pekka Enberg" <penberg@...helsinki.fi>
To:	"Kirill Korotaev" <dev@...ru>
Cc:	"Andrew Morton" <akpm@...l.org>,
	"Linux Kernel Mailing List" <linux-kernel@...r.kernel.org>,
	"Alan Cox" <alan@...rguk.ukuu.org.uk>, xemul@...nvz.org,
	devel@...nvz.org, oleg@...sign.ru, hch@...radead.org,
	matthltc@...ibm.com, ckrm-tech@...ts.sourceforge.net
Subject: Re: [PATCH 6/13] BC: kmemsize accounting (core)

Hi,

On 11/9/06, Kirill Korotaev <dev@...ru> wrote:
> +#ifdef CONFIG_BEANCOUNTERS
> +#define BC_EXTRASIZE   sizeof(struct beancounter *)
> +static inline size_t slab_mgmt_size_noalign(int flags, size_t nr_objs)
> +{
> +       size_t size;
> +
> +       size = slab_mgmt_size_raw(nr_objs);
> +       if (flags & SLAB_BC)
> +               size = ALIGN(size, BC_EXTRASIZE) + nr_objs * BC_EXTRASIZE;
> +       return size;

Why do we want to track each allocated _object_ in the slab? Isn't
tracking pages enough?
-
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/