From: Andi Kleen <ak@suse.de>
To: Kirill Korotaev <dev@sw.ru>
Cc: Andrew Morton <akpm@osdl.org>,
Linux Kernel Mailing List <linux-kernel@vger.kernel.org>,
Alan Cox <alan@lxorguk.ukuu.org.uk>,
Christoph Hellwig <hch@infradead.org>,
Pavel Emelianov <xemul@openvz.org>, Andrey Savochkin <saw@sw.ru>,
devel@openvz.org, Rik van Riel <riel@redhat.com>,
Greg KH <greg@kroah.com>, Oleg Nesterov <oleg@tv-sign.ru>,
Matt Helsley <matthltc@us.ibm.com>,
Rohit Seth <rohitseth@google.com>,
Chandra Seetharaman <sekharan@us.ibm.com>
Subject: Re: [PATCH 2/6] BC: beancounters core (API)
Date: Wed, 23 Aug 2006 13:37:48 +0200 [thread overview]
Message-ID: <200608231337.48941.ak@suse.de> (raw)
In-Reply-To: <44EC35EB.1030000@sw.ru>
On Wednesday 23 August 2006 13:03, Kirill Korotaev wrote:
> +#ifdef CONFIG_BEANCOUNTERS
> +extern struct hlist_head bc_hash[];
> +extern spinlock_t bc_hash_lock;
I wonder who pokes into that hash from other files? Looks a bit dangerous.
> +void __put_beancounter(struct beancounter *bc);
> +static inline void put_beancounter(struct beancounter *bc)
> +{
> + __put_beancounter(bc);
> +}
The wrapper seems pointless too.
The file could use a overview comment what the various counter
types actually are.
> + bc_print_id(bc, uid, sizeof(uid));
> + printk(KERN_WARNING "BC %s %s warning: %s "
Doesn't this need some rate limiting? Or can it be only triggered
by code bugs?
> + bc = &default_beancounter;
> + memset(bc, 0, sizeof(default_beancounter));
You don't trust the BSS to be zero? @)
-Andi
next prev parent reply other threads:[~2006-08-23 11:38 UTC|newest]
Thread overview: 76+ messages / expand[flat|nested] mbox.gz Atom feed top
2006-08-23 10:46 [PATCH] BC: resource beancounters (v2) Kirill Korotaev
2006-08-23 11:01 ` [PATCH 1/6] BC: kconfig Kirill Korotaev
2006-08-23 13:04 ` Alexey Dobriyan
2006-08-23 22:04 ` [Devel] " Dave Hansen
2006-08-23 22:13 ` Matt Helsley
2006-08-23 22:32 ` Randy.Dunlap
2006-08-23 22:27 ` Matt Helsley
2006-08-25 11:30 ` Kirill Korotaev
2006-08-25 11:34 ` Kirill Korotaev
2006-08-24 0:23 ` Chandra Seetharaman
2006-08-24 11:47 ` [ckrm-tech] " Kirill Korotaev
2006-08-24 22:23 ` Matt Helsley
2006-08-23 11:03 ` [PATCH 2/6] BC: beancounters core (API) Kirill Korotaev
2006-08-23 11:37 ` Andi Kleen [this message]
2006-08-23 13:27 ` Kirill Korotaev
2006-08-23 13:48 ` Andi Kleen
2006-08-23 13:30 ` Alexey Dobriyan
2006-08-23 13:49 ` Kirill Korotaev
2006-08-23 13:53 ` Alexey Dobriyan
2006-08-23 22:05 ` Matt Helsley
2006-08-23 16:42 ` Andrew Morton
2006-08-24 12:06 ` Kirill Korotaev
2006-08-24 15:00 ` Andrew Morton
2006-08-25 10:53 ` Kirill Korotaev
2006-08-24 14:13 ` Oleg Nesterov
2006-08-24 21:33 ` Oleg Nesterov
2006-08-23 11:05 ` [PATCH 3/6] BC: context inheriting and changing Kirill Korotaev
2006-08-23 11:06 ` [PATCH 4/6] BC: user interface (syscalls) Kirill Korotaev
2006-08-23 13:41 ` Alexey Dobriyan
2006-08-23 13:43 ` Kirill Korotaev
2006-08-23 16:50 ` Andrew Morton
2006-08-23 17:29 ` Alan Cox
2006-08-24 4:35 ` Andrew Morton
2006-08-24 11:04 ` Alan Cox
2006-08-24 13:08 ` Alexey Dobriyan
2006-08-25 10:56 ` Kirill Korotaev
2006-08-24 0:30 ` Chandra Seetharaman
2006-08-23 11:06 ` [PATCH 5/6] BC: kernel memory accounting (core) Kirill Korotaev
2006-08-24 0:36 ` Chandra Seetharaman
2006-08-24 21:23 ` Oleg Nesterov
2006-08-25 10:09 ` Kirill Korotaev
2006-08-23 11:08 ` [PATCH 6/6] BC: kernel memory accounting (marks) Kirill Korotaev
2006-08-23 18:30 ` [Devel] " Dave Hansen
2006-08-29 9:52 ` Kirill Korotaev
2006-08-29 15:48 ` Dave Hansen
2006-08-29 15:56 ` Kirill Korotaev
2006-08-23 23:03 ` Dave Hansen
2006-08-24 9:30 ` Geert Uytterhoeven
2006-08-24 15:52 ` Dave Hansen
2006-08-29 14:37 ` Kirill Korotaev
2006-08-23 17:05 ` [PATCH] BC: resource beancounters (v2) Andrew Morton
2006-08-24 0:17 ` Chandra Seetharaman
2006-08-25 11:49 ` Kirill Korotaev
2006-08-25 14:30 ` Andrew Morton
2006-08-25 14:48 ` Andi Kleen
2006-08-28 8:28 ` Kirill Korotaev
2006-08-25 15:14 ` Nick Piggin
2006-08-25 15:57 ` Alan Cox
2006-08-26 3:55 ` Nick Piggin
2006-08-25 16:30 ` Andrey Savochkin
2006-08-25 17:50 ` Andrew Morton
2006-08-25 19:00 ` Chandra Seetharaman
2006-08-26 2:15 ` Rohit Seth
2006-08-26 16:37 ` Alan Cox
2006-08-28 16:48 ` Rohit Seth
2006-08-28 17:41 ` [Devel] " Kir Kolyshkin
2006-08-28 22:28 ` Rohit Seth
2006-08-29 10:15 ` Alan Cox
2006-08-29 17:30 ` Rohit Seth
2006-08-29 19:06 ` Alan Cox
2006-08-29 19:15 ` Rohit Seth
2006-08-29 15:35 ` [PATCH] " Kirill Korotaev
2006-08-29 17:08 ` Balbir Singh
2006-08-23 21:00 ` Cedric Le Goater
2006-08-24 5:52 ` Jan Engelhardt
2006-08-24 10:59 ` Alan Cox
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