linux-kernel - Re: [PATCH v2] Show kernel stack usage to /proc/meminfo and OOM log

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: <4A4B9BA1.6040109@redhat.com>
Date:	Wed, 01 Jul 2009 13:23:45 -0400
From:	Rik van Riel <riel@...hat.com>
To:	Christoph Lameter <cl@...ux-foundation.org>
CC:	David Howells <dhowells@...hat.com>,
	KOSAKI Motohiro <kosaki.motohiro@...fujitsu.com>,
	Minchan Kim <minchan.kim@...il.com>,
	Johannes Weiner <hannes@...xchg.org>,
	Andrew Morton <akpm@...ux-foundation.org>,
	LKML <linux-kernel@...r.kernel.org>,
	"peterz@...radead.org" <peterz@...radead.org>,
	"tytso@....edu" <tytso@....edu>,
	"linux-mm@...ck.org" <linux-mm@...ck.org>,
	"elladan@...imo.com" <elladan@...imo.com>,
	"npiggin@...e.de" <npiggin@...e.de>,
	"Barnes, Jesse" <jesse.barnes@...el.com>
Subject: Re: [PATCH v2] Show kernel stack usage to /proc/meminfo and OOM log

Christoph Lameter wrote:
> On Wed, 1 Jul 2009, David Howells wrote:
> 
>> KOSAKI Motohiro <kosaki.motohiro@...fujitsu.com> wrote:
>>
>>> +	int pages = THREAD_SIZE / PAGE_SIZE;
>> Bad assumption.  On FRV, for example, THREAD_SIZE is 8K and PAGE_SIZE is 16K.
> 
> Guess that means we need arch specific accounting for this counter.

Or we count the number of stacks internally and only
convert to pages whenever we display the value.

-- 
All rights reversed.
--
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/